BlackTreeCVE Intelligence
← Back to the CVE catalogue
Full vulnerability report · 2026
CVE-2026-23100High confidence

mm/hugetlb: fix hugetlb_pmd_shared()

Linux · Linux

Official source article: Siemens SSA-019113 ↗. Check the applicable product and release in the original source.

5.5MediumCVSS 3.1
Recommended action
Patch only the product branches with a verified fix

Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority. Verified remediation exists for at least one product or source, but 30 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityMediumOperational priority:Low, lowered one band.downgradedsince 8 Sep 2026

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • Exploitation requires an existing local or physical foothold with privileges.
  • EPSS is 0.14% for the current model date.

Compensating controls

  • Validate the affected product branch and deploy the verified fixed release.
  • Restrict local access and enforce least privilege on affected hosts.
  • Monitor vendor guidance and exploitation sources for a material change.

Verification

  1. Confirm that the asset runs Linux Linux and falls inside the recorded affected range.
  2. Verify the installed build against the product-specific fixed version after deployment.
  3. Validate exposure, authentication requirements and compensating controls in the actual environment.
  4. Reopen this reassessment when CVSS, KEV, EPSS, exploit evidence or remediation changes.
Mitigation target: No default targetRemediation target: Normal maintenance

This automated reassessment organises public evidence. It does not know asset exposure, business impact or control effectiveness and does not replace CVSS or a human risk decision.

Cross-source reconciliation

Remediation availability differs by product scope

Verified remediation exists for at least one product or source, but 30 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Distribution package intelligence

Release-specific package status

Debian, ubuntu findings are scoped to the named distribution, release and source package. An absent finding does not mean a package is unaffected.

24 package states
Package result overrides the generic status

BlackTree has verified remediation for at least one product or source, but the relevant distribution still reports no fixed package for 20 affected package states shown here. Treat those rows as affected with no fix until that distribution publishes a fixed version.

Repository candidate not checked

A published vendor fix does not prove that a matching update is enabled and installable on a particular asset. Confirm the local package candidate before scheduling remediation.

Distribution releaseSource packageVendor stateFixed versionEvidence
Debian trixietrixie · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.12.74-2Debian Security Tracker ↗Source updated 5 Oct 2026
Debian bookwormbookworm · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.1.170-1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian forkyforky · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.18.8-1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian sidsid · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.18.8-1Debian Security Tracker ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinuxAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-awsAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-azureAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-azure-fdeAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-azure-nvidiaAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-gcpAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-gkeAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-gkeopAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-ibmAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-lowlatencyAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-nvidiaAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-nvidia-lowlatencyAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-nvidia-tegraAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-oem-6.11Affected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-oracleAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-raspiAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-raspi-realtimeAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-realtimeAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-riscvAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Ubuntu 24.04 LTSnoble · standard archivelinux-xilinxAffected, no fix publishedCanonical OVAL identifies this running kernel flavour as affected and does not publish a fixed package version in this definition.Not published in this feedCanonical Ubuntu Security ↗Source updated 5 Oct 2026
Direct vendor intelligence

Authoritative vendor CSAF and VEX advisories

Structured product status and remediation from the issuing vendor. Product-state explanations are always visible; large lists can be searched or downloaded.

2 current
SSA-019113 · CSAF 2.0 · revision 2 · interimSiemens ProductCERTSSA-019113: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1.6
5 known affected

The vendor explicitly identifies these products as affected by this CVE.

  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= V3.1.6
  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= V3.1.6
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= V3.1.6
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) >= V3.1.6
  • SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) >= V3.1.6
Summary
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugetlb_pmd_shared() Patch series "mm/hugetlb: fixes for PMD table sharing (incl. using mmu_gather)", v3. One functional fix, one performance regression fix, and two related comment fixes. I cleaned up my prototype I recently shared [1] for the performance fix, deferring most of the cleanups I had in the prototype to a later point. While doing that I identified the other things. The goal of this patch set is to be backported to stable trees "fairly" easily. At least patch #1 and #4. Patch #1 fixes hugetlb_pmd_shared() not detecting any sharing Patch #2 + #3 are simple comment fixes that patch #4 interacts with. Patch #4 is a fix for the reported performance regression due to excessive IPI broadcasts during fork()+exit(). The last patch is all about TLB flushes, IPIs and mmu_gather. Read: complicated There are plenty of cleanups in the future to be had + one reasonable optimization on x86. But that's all out of scope for this series. Runtime tested, with a focus on fixing the performance regression using the original reproducer [2] on x86. This patch (of 4): We switched from (wrongly) using the page count to an independent shared count. Now, shared page tables have a refcount of 1 (excluding speculative references) and instead use ptdesc->pt_share_count to identify sharing. We didn't convert hugetlb_pmd_shared(), so right now, we would never detect a shared PMD table as such, because sharing/unsharing no longer touches the refcount of a PMD table. Page migration, like mbind() or migrate_pages() would allow for migrating folios mapped into such shared PMD tables, even though the folios are not exclusive. In smaps we would account them as "private" although they are "shared", and we would be wrongly setting the PM_MMAP_EXCLUSIVE in the pagemap interface. Fix it by properly using ptdesc_pmd_is_shared() in hugetlb_pmd_shared().
Remediation
Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.
SSA-082556 · CSAF 2.0 · revision 7 · interimSiemens ProductCERTSSA-082556: Vulnerabilities in the additional GNU/Linux subsystem of the SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1.5
5 known affected

The vendor explicitly identifies these products as affected by this CVE.

  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) >= V3.1.5
  • SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) >= V3.1.5
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) >= V3.1.5
  • SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) >= V3.1.5
  • SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) >= V3.1.5
Summary
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugetlb_pmd_shared() Patch series "mm/hugetlb: fixes for PMD table sharing (incl. using mmu_gather)", v3. One functional fix, one performance regression fix, and two related comment fixes. I cleaned up my prototype I recently shared [1] for the performance fix, deferring most of the cleanups I had in the prototype to a later point. While doing that I identified the other things. The goal of this patch set is to be backported to stable trees "fairly" easily. At least patch #1 and #4. Patch #1 fixes hugetlb_pmd_shared() not detecting any sharing Patch #2 + #3 are simple comment fixes that patch #4 interacts with. Patch #4 is a fix for the reported performance regression due to excessive IPI broadcasts during fork()+exit(). The last patch is all about TLB flushes, IPIs and mmu_gather. Read: complicated There are plenty of cleanups in the future to be had + one reasonable optimization on x86. But that's all out of scope for this series. Runtime tested, with a focus on fixing the performance regression using the original reproducer [2] on x86. This patch (of 4): We switched from (wrongly) using the page count to an independent shared count. Now, shared page tables have a refcount of 1 (excluding speculative references) and instead use ptdesc->pt_share_count to identify sharing. We didn't convert hugetlb_pmd_shared(), so right now, we would never detect a shared PMD table as such, because sharing/unsharing no longer touches the refcount of a PMD table. Page migration, like mbind() or migrate_pages() would allow for migrating folios mapped into such shared PMD tables, even though the folios are not exclusive. In smaps we would account them as "private" although they are "shared", and we would be wrongly setting the PM_MMAP_EXCLUSIVE in the pagemap interface. Fix it by properly using ptdesc_pmd_is_shared() in hugetlb_pmd_shared().
Remediation
Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.
Optional official sources

National CERT insights
?CERT means Computer Emergency Response Team; CSIRT is the closely related term Computer Security Incident Response Team.

Choose official national sources for this report. Each advisory shows its original language. Your selection is remembered on this device and included in shared links.

Official European source

ENISA European Vulnerability Database

Official EUVD identifiers, advisory evidence and known-exploited context. Missing fields are not treated as evidence of low risk.

1 current
ENISA EUVD identifier

EUVD-2026-5442

No EUVD known-exploited evidence

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugetlb_pmd_shared() Patch series "mm/hugetlb: fixes for PMD table sharing (incl. using mmu_gather)", v3. One functional fix, one performance regression fix, and two related comment fixes. I cleaned up my prototype I recently shared [1] for the performance fix, deferring most of the cleanups I had in the prototype to a later point. While doing that I identified the other things. The goal of this patch set is to be backported to stable trees "fairly" easily. At least patch #1 and #4. Patch #1 fixes hugetlb_pmd_shared() not detecting any sharing Patch #2 + #3 are simple comment fixes that patch #4 interacts with. Patch #4 is a fix for the reported performance regression due to excessive IPI broadcasts during fork()+exit(). The last patch is all about TLB flushes, IPIs and mmu_gather. Read: complicated There are plenty of cleanups in the future to be had + one reasonable optimization on x86. But that's all out of scope for this series. Runtime tested, with a focus on fixing the performance regression using the original reproducer [2] on x86. This patch (of 4): We switched from (wrongly) using the page count to an independent shared count. Now, shared page tables have a refcount of 1 (excluding speculative references) and instead use ptdesc->pt_share_count to identify sharing. We didn't convert hugetlb_pmd_shared(), so right now, we would never detect a shared PMD table as such, because sharing/unsharing no longer touches the refcount of a PMD table. Page migration, like mbind() or migrate_pages() would allow for migrating folios mapped into such shared PMD tables, even though the folios are not exclusive. In smaps we would account them as "private" although they are "shared", and we would be wrongly setting the PM_MMAP_EXCLUSIVE in the pagemap interface. Fix it by properly using ptdesc_pmd_is_shared() in hugetlb_pmd_shared().

EUVD state
Present in the current official mapping
Known exploitation
Not present in the current ENISA EUVD known-exploited dataset. This is not proof of no exploitation.
ENISA score
0.0
Advisory evidence
No linked advisory details stored yet
Recommended actionPatch only the product branches with a verified fix

Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority. Verified remediation exists for at least one product or source, but 30 structured product or package states remain unresolved. Apply remediation only to the exact product branch confirmed by its source.

Fix availability varies by product
01

What, why and how

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugetlb_pmd_shared() Patch series "mm/hugetlb: fixes for PMD table sharing (incl. using mmu_gather)", v3. One functional fix, one performance regression fix, and two related comment fixes. I cleaned up my prototype I recently shared [1] for the performance fix, deferring most of the cleanups I had in the prototype to a later point. While doing that I identified the other things. The goal of this patch set is to be backported to stable trees "fairly" easily. At least patch #1 and #4. Patch #1 fixes hugetlb_pmd_shared() not detecting any sharing Patch #2 + #3 are simple comment fixes that patch #4 interacts with. Patch #4 is a fix for the reported performance regression due to excessive IPI broadcasts during fork()+exit(). The last patch is all about TLB flushes, IPIs and mmu_gather. Read: complicated There are plenty of cleanups in the future to be had + one reasonable optimization on x86. But that's all out of scope for this series. Runtime tested, with a focus on fixing the performance regression using the original reproducer [2] on x86. This patch (of 4): We switched from (wrongly) using the page count to an independent shared count. Now, shared page tables have a refcount of 1 (excluding speculative references) and instead use ptdesc->pt_share_count to identify sharing. We didn't convert hugetlb_pmd_shared(), so right now, we would never detect a shared PMD table as such, because sharing/unsharing no longer touches the refcount of a PMD table. Page migration, like mbind() or migrate_pages() would allow for migrating folios mapped into such shared PMD tables, even though the folios are not exclusive. In smaps we would account them as "private" although they are "shared", and we would be wrongly setting the PM_MMAP_EXCLUSIVE in the pagemap interface. Fix it by properly using ptdesc_pmd_is_shared() in hugetlb_pmd_shared().

What

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugetlb_pmd_shared() Patch series "mm/hugetlb: fixes for PMD table sharing (incl. using mmu_gather)", v3. One functional fix, one performance regression fix, and two related comment fixes. I cleaned up my prototype I recently shared [1] for the performance fix, deferring most of the cleanups I had in the prototype to a later point. While doing that I identified the other things. The goal of this patch set is to be backported to stable trees "fairly" easily. At least patch #1 and #4. Patch #1 fixes hugetlb_pmd_shared() not detecting any sharing Patch #2 + #3 are simple comment fixes that patch #4 interacts with. Patch #4 is a fix for the reported performance regression due to excessive IPI broadcasts during fork()+exit(). The last patch is all about TLB flushes, IPIs and mmu_gather. Read: complicated There are plenty of cleanups in the future to be had + one reasonable optimization on x86. But that's all out of scope for this series. Runtime tested, with a focus on fixing the performance regression using the original reproducer [2] on x86. This patch (of 4): We switched from (wrongly) using the page count to an independent shared count. Now, shared page tables have a refcount of 1 (excluding speculative references) and instead use ptdesc->pt_share_count to identify sharing. We didn't convert hugetlb_pmd_shared(), so right now, we would never detect a shared PMD table as such, because sharing/unsharing no longer touches the refcount of a PMD table. Page migration, like mbind() or migrate_pages() would allow for migrating folios mapped into such shared PMD tables, even though the folios are not exclusive. In smaps we would account them as "private" although they are "shared", and we would be wrongly setting the PM_MMAP_EXCLUSIVE in the pagemap interface. Fix it by properly using ptdesc_pmd_is_shared() in hugetlb_pmd_shared().

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

What

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugetlb_pmd_shared() Patch series "mm/hugetlb: fixes for PMD table sharing (incl. using mmu_gather)", v3. One functional fix, one performance regression fix, and two related comment fixes. I cleaned up my prototype I recently shared [1] for the performance fix, deferring most of the cleanups I had in the prototype to a later point. While doing that I identified the other things. The goal of this patch set is to be backported to stable trees "fairly" easily. At least patch #1 and #4. Patch #1 fixes hugetlb_pmd_shared() not detecting any sharing Patch #2 + #3 are simple comment fixes that patch #4 interacts with. Patch #4 is a fix for the reported performance regression due to excessive IPI broadcasts during fork()+exit(). The last patch is all about TLB flushes, IPIs and mmu_gather. Read: complicated There are plenty of cleanups in the future to be had + one reasonable optimization on x86. But that's all out of scope for this series. Runtime tested, with a focus on fixing the performance regression using the original reproducer [2] on x86. This patch (of 4): We switched from (wrongly) using the page count to an independent shared count. Now, shared page tables have a refcount of 1 (excluding speculative references) and instead use ptdesc->pt_share_count to identify sharing. We didn't convert hugetlb_pmd_shared(), so right now, we would never detect a shared PMD table as such, because sharing/unsharing no longer touches the refcount of a PMD table. Page migration, like mbind() or migrate_pages() would allow for migrating folios mapped into such shared PMD tables, even though the folios are not exclusive. In smaps we would account them as "private" although they are "shared", and we would be wrongly setting the PM_MMAP_EXCLUSIVE in the pagemap interface. Fix it by properly using ptdesc_pmd_is_shared() in hugetlb_pmd_shared().

Why

The current structured CVE record identifies a security weakness, but the root cause requires confirmation in the linked vendor material.

How

An attacker operating through local access may attempt exploitation with low privileges. If successful, the issue may cause the confidentiality, integrity or availability impact described by the vendor.

02

Exploit reality and attack path

CVSS severity, EPSS forecast probability, public exploit material and CISA-confirmed exploitation are separate signals.

Observed exploitation
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
No confirmed evidence

No CISA KEV match was present at the last successful refresh. This means no confirmation from that source, not proof of no exploitation.

Public PoC / exploit material
?Confirmed exploitation and public exploit material are separate signals. Attacks can occur without public proof-of-concept or exploit code.
None recorded

No exploit-tagged reference or CISA SSVC proof-of-concept state is currently recorded. Research may still exist outside the structured feeds.

Likely attack path
local access → vulnerable operation → cause the confidentiality, integrity or availability impact described by the vendor
Attack surface
Local
Privileges required
Low: a basic authenticated account is required
User interaction
None
Attack complexity
Low: no specialised conditions are recorded
Security boundary
Unchanged: impact remains within the vulnerable component's security authority
Weakness
?CWE means Common Weakness Enumeration.
CWE not yet assigned
CVSS vector
?CVSS means Common Vulnerability Scoring System. The vector records the metric values used to calculate technical severity.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Common Vulnerability Scoring System 3.1: the compact vector below is decoded into plain language.

AVLocalAttack vector: The attacker needs local access to the vulnerable system.ACLowAttack complexity: No specialised conditions are required beyond attacker-controlled input.PRLowPrivileges required: The attacker needs basic user-level privileges.UINoneUser interaction: No action by another user is required.SUnchangedScope: The security impact remains within the vulnerable component's authority.CNoneConfidentiality impact: No direct loss is represented by this metric.INoneIntegrity impact: No direct loss is represented by this metric.AHighAvailability impact: A successful attack can cause a major loss.
Post-exploitation / living off the land
The issue can support a local privilege or sandbox boundary transition; normal system utilities may then be available in the gained context.
A

Official authority intelligence

Only matched European and national findings are included. Language selectors and unavailable sources are omitted.

ENISA EUVD · EUVD-2026-5442Official EUVD mapping

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugetlb_pmd_shared() Patch series "mm/hugetlb: fixes for PMD table sharing (incl. using mmu_gather)", v3. One functional fix, one performance regression fix, and two related comment fixes. I cleaned up my prototype I recently shared [1] for the performance fix, deferring most of the cleanups I had in the prototype to a later point. While doing that I identified the other things. The goal of this patch set is to be backported to stable trees "fairly" easily. At least patch #1 and #4. Patch #1 fixes hugetlb_pmd_shared() not detecting any sharing Patch #2 + #3 are simple comment fixes that patch #4 interacts with. Patch #4 is a fix for the reported performance regression due to excessive IPI broadcasts during fork()+exit(). The last patch is all about TLB flushes, IPIs and mmu_gather. Read: complicated There are plenty of cleanups in the future to be had + one reasonable optimization on x86. But that's all out of scope for this series. Runtime tested, with a focus on fixing the performance regression using the original reproducer [2] on x86. This patch (of 4): We switched from (wrongly) using the page count to an independent shared count. Now, shared page tables have a refcount of 1 (excluding speculative references) and instead use ptdesc->pt_share_count to identify sharing. We didn't convert hugetlb_pmd_shared(), so right now, we would never detect a shared PMD table as such, because sharing/unsharing no longer touches the refcount of a PMD table. Page migration, like mbind() or migrate_pages() would allow for migrating folios mapped into such shared PMD tables, even though the folios are not exclusive. In smaps we would account them as "private" although they are "shared", and we would be wrongly setting the PM_MMAP_EXCLUSIVE in the pagemap interface. Fix it by properly using ptdesc_pmd_is_shared() in hugetlb_pmd_shared().

Official EUVD record ↗
BSI · German · WID-SEC-2026-0324Linux Kernel: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen im Linux-Kernel ausnutzen, um nicht näher spezifizierte Angriffe durchzuführen, die möglicherweise zu einer Denial-of-Service- Bedingung führen oder eine Speicherbeschädigung verursachen können.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20260211Security Bulletin 11 Feb 2026

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 11 Feb 2026, published on 11 February 2026. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-1229Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-71266 Référence CVE CVE-2025-71267 https://www.cve.org/CVERecord?id=CVE-2025-71267 Référence CVE CVE-2025-71274 https://www.cve.org/CVERecord?id=CVE-2025-71274 Référence CVE CVE-2025-71287 https://www.cve.org/CVERecord?id=CVE-2025-71287 Référence CVE CVE-2025-71289 https://www.cve.org/CVERecord?id=CVE-2025-71289 Référence CVE CVE-2025-71292 https://www.cve.org/CVERecord?id=CVE-2025-71292 Référence CVE CVE-2025-71304 https://www.cve.org/CVERecord?id=CVE-2025-71304 Référence CVE CVE-2026-23031 https://www.cve.org/CVERecord?id=CVE-2026-23031 Référence CVE CVE-2026-23066 https://www.cve.org/CVERecord?id=CVE-2026-23066 Référence CVE CVE-2026-23100 https://www.cve.org/CVERecord?id=CVE-2026-23100 Référence CVE CVE-2026-23113 https://www.cve.org/CVERecord?id=CVE-2026-23113 Référence CVE CVE-2026-23141 https://www.cve.org/CVERecord?id=CVE-2026-23141 Référence CVE CVE-2026-23157 https://www.cve.org/CVERecord?id=CVE-2026-23157 Référence CVE CVE-2026-23169 https://www.cve.org/CVERecord?id=CVE-2026-23169 Référence CVE CVE-2026-23204 https://www.cve.org/CVERecord?id=CVE-2026-23204 Référence CVE CVE-2026-23220 https://www.cve.org/CVERecord?id=CVE-2026-23220 Référence CVE CVE-2026-23221 https://www.cve.org/CVERecord?id=CVE-2026-23221 Référence CVE CVE-2026-23222 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-1093Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2026-23090 Référence CVE CVE-2026-23092 https://www.cve.org/CVERecord?id=CVE-2026-23092 Référence CVE CVE-2026-23093 https://www.cve.org/CVERecord?id=CVE-2026-23093 Référence CVE CVE-2026-23094 https://www.cve.org/CVERecord?id=CVE-2026-23094 Référence CVE CVE-2026-23095 https://www.cve.org/CVERecord?id=CVE-2026-23095 Référence CVE CVE-2026-23096 https://www.cve.org/CVERecord?id=CVE-2026-23096 Référence CVE CVE-2026-23097 https://www.cve.org/CVERecord?id=CVE-2026-23097 Référence CVE CVE-2026-23098 https://www.cve.org/CVERecord?id=CVE-2026-23098 Référence CVE CVE-2026-23099 https://www.cve.org/CVERecord?id=CVE-2026-23099 Référence CVE CVE-2026-23100 https://www.cve.org/CVERecord?id=CVE-2026-23100 Référence CVE CVE-2026-23101 https://www.cve.org/CVERecord?id=CVE-2026-23101 Référence CVE CVE-2026-23102 https://www.cve.org/CVERecord?id=CVE-2026-23102 Référence CVE CVE-2026-23103 https://www.cve.org/CVERecord?id=CVE-2026-23103 Référence CVE CVE-2026-23104 https://www.cve.org/CVERecord?id=CVE-2026-23104 Référence CVE CVE-2026-23105 https://www.cve.org/CVERecord?id=CVE-2026-23105 Référence CVE CVE-2026-23106 https://www.cve.org/CVERecord?id=CVE-2026-23106 Référence CVE CVE-2026-23107 https://www.cve.org/CVERecord?id=CVE-2026-23107 Référence CVE CVE-2026-23108 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0985Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-71265 Référence CVE CVE-2025-71266 https://www.cve.org/CVERecord?id=CVE-2025-71266 Référence CVE CVE-2025-71267 https://www.cve.org/CVERecord?id=CVE-2025-71267 Référence CVE CVE-2025-71274 https://www.cve.org/CVERecord?id=CVE-2025-71274 Référence CVE CVE-2025-71287 https://www.cve.org/CVERecord?id=CVE-2025-71287 Référence CVE CVE-2025-71292 https://www.cve.org/CVERecord?id=CVE-2025-71292 Référence CVE CVE-2025-71304 https://www.cve.org/CVERecord?id=CVE-2025-71304 Référence CVE CVE-2026-23031 https://www.cve.org/CVERecord?id=CVE-2026-23031 Référence CVE CVE-2026-23066 https://www.cve.org/CVERecord?id=CVE-2026-23066 Référence CVE CVE-2026-23100 https://www.cve.org/CVERecord?id=CVE-2026-23100 Référence CVE CVE-2026-23113 https://www.cve.org/CVERecord?id=CVE-2026-23113 Référence CVE CVE-2026-23141 https://www.cve.org/CVERecord?id=CVE-2026-23141 Référence CVE CVE-2026-23157 https://www.cve.org/CVERecord?id=CVE-2026-23157 Référence CVE CVE-2026-23169 https://www.cve.org/CVERecord?id=CVE-2026-23169 Référence CVE CVE-2026-23204 https://www.cve.org/CVERecord?id=CVE-2026-23204 Référence CVE CVE-2026-23220 https://www.cve.org/CVERecord?id=CVE-2026-23220 Référence CVE CVE-2026-23221 https://www.cve.org/CVERecord?id=CVE-2026-23221 Référence CVE CVE-2026-23222 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0954Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2026-23090 Référence CVE CVE-2026-23092 https://www.cve.org/CVERecord?id=CVE-2026-23092 Référence CVE CVE-2026-23093 https://www.cve.org/CVERecord?id=CVE-2026-23093 Référence CVE CVE-2026-23094 https://www.cve.org/CVERecord?id=CVE-2026-23094 Référence CVE CVE-2026-23095 https://www.cve.org/CVERecord?id=CVE-2026-23095 Référence CVE CVE-2026-23096 https://www.cve.org/CVERecord?id=CVE-2026-23096 Référence CVE CVE-2026-23097 https://www.cve.org/CVERecord?id=CVE-2026-23097 Référence CVE CVE-2026-23098 https://www.cve.org/CVERecord?id=CVE-2026-23098 Référence CVE CVE-2026-23099 https://www.cve.org/CVERecord?id=CVE-2026-23099 Référence CVE CVE-2026-23100 https://www.cve.org/CVERecord?id=CVE-2026-23100 Référence CVE CVE-2026-23101 https://www.cve.org/CVERecord?id=CVE-2026-23101 Référence CVE CVE-2026-23102 https://www.cve.org/CVERecord?id=CVE-2026-23102 Référence CVE CVE-2026-23103 https://www.cve.org/CVERecord?id=CVE-2026-23103 Référence CVE CVE-2026-23104 https://www.cve.org/CVERecord?id=CVE-2026-23104 Référence CVE CVE-2026-23105 https://www.cve.org/CVERecord?id=CVE-2026-23105 Référence CVE CVE-2026-23106 https://www.cve.org/CVERecord?id=CVE-2026-23106 Référence CVE CVE-2026-23107 https://www.cve.org/CVERecord?id=CVE-2026-23107 Référence CVE CVE-2026-23108 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0926Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2026-23090 Référence CVE CVE-2026-23092 https://www.cve.org/CVERecord?id=CVE-2026-23092 Référence CVE CVE-2026-23093 https://www.cve.org/CVERecord?id=CVE-2026-23093 Référence CVE CVE-2026-23094 https://www.cve.org/CVERecord?id=CVE-2026-23094 Référence CVE CVE-2026-23095 https://www.cve.org/CVERecord?id=CVE-2026-23095 Référence CVE CVE-2026-23096 https://www.cve.org/CVERecord?id=CVE-2026-23096 Référence CVE CVE-2026-23097 https://www.cve.org/CVERecord?id=CVE-2026-23097 Référence CVE CVE-2026-23098 https://www.cve.org/CVERecord?id=CVE-2026-23098 Référence CVE CVE-2026-23099 https://www.cve.org/CVERecord?id=CVE-2026-23099 Référence CVE CVE-2026-23100 https://www.cve.org/CVERecord?id=CVE-2026-23100 Référence CVE CVE-2026-23101 https://www.cve.org/CVERecord?id=CVE-2026-23101 Référence CVE CVE-2026-23102 https://www.cve.org/CVERecord?id=CVE-2026-23102 Référence CVE CVE-2026-23103 https://www.cve.org/CVERecord?id=CVE-2026-23103 Référence CVE CVE-2026-23104 https://www.cve.org/CVERecord?id=CVE-2026-23104 Référence CVE CVE-2026-23105 https://www.cve.org/CVERecord?id=CVE-2026-23105 Référence CVE CVE-2026-23106 https://www.cve.org/CVERecord?id=CVE-2026-23106 Référence CVE CVE-2026-23107 https://www.cve.org/CVERecord?id=CVE-2026-23107 Référence CVE CVE-2026-23108 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0880Multiples vulnérabilités dans les produits Siemens

025-71104, CVE-2025-71112, CVE-2025-71113, CVE-2025-71114, CVE-2025-71120, CVE-2025-71123, CVE-2025-71131, CVE-2025-71161, CVE-2025-71162, CVE-2025-71163, CVE-2025-71185, CVE-2025-71186, CVE-2025-71189, CVE-2025-71190, CVE-2025-71191, CVE-2025-71197, CVE-2025-71221, CVE-2025-71265, CVE-2025-71266, CVE-2025-71267, CVE-2026-3497, CVE-2026-22977, CVE-2026-22979, CVE-2026-22980, CVE-2026-22982, CVE-2026-22992, CVE-2026-22994, CVE-2026-23003, CVE-2026-23005, CVE-2026-23010, CVE-2026-23011, CVE-2026-23019, CVE-2026-23026, CVE-2026-23038, CVE-2026-23054, CVE-2026-23060, CVE-2026-23083, CVE-2026-23084, CVE-2026-23086, CVE-2026-23087, CVE-2026-23095, CVE-2026-23100, CVE-2026-23103, CVE-2026-23110, CVE-2026-23111, CVE-2026-23113, CVE-2026-23154, CVE-2026-23204, CVE-2026-23231, CVE-2026-23242, CVE-2026-23243, CVE-2026-23245, CVE-2026-23270, CVE-2026-23271, CVE-2026-23273, CVE-2026-23274, CVE-2026-23277, CVE-2026-23284, CVE-2026-23287, CVE-2026-23290, CVE-2026-23293, CVE-2026-23300, CVE-2026-23304, CVE-2026-23319, CVE-2026-23321, CVE-2026-23335, CVE-2026-23340, CVE-2026-23343, CVE-2026-23351, CVE-2026-23359, CVE-2026-23365, CVE-2026-23368, CVE-2026-23370, CVE-2026-23378, CVE-2026-23379, CVE-2026-23381, CVE-2026-23391, CVE-2026-23392, CVE-2026-23397, CVE-2026-23398, CVE-2026-23414, CVE-2026-23422, CVE-2026

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0861Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2025-71286 Référence CVE CVE-2025-71291 https://www.cve.org/CVERecord?id=CVE-2025-71291 Référence CVE CVE-2025-71292 https://www.cve.org/CVERecord?id=CVE-2025-71292 Référence CVE CVE-2025-71294 https://www.cve.org/CVERecord?id=CVE-2025-71294 Référence CVE CVE-2025-71295 https://www.cve.org/CVERecord?id=CVE-2025-71295 Référence CVE CVE-2025-71297 https://www.cve.org/CVERecord?id=CVE-2025-71297 Référence CVE CVE-2025-71304 https://www.cve.org/CVERecord?id=CVE-2025-71304 Référence CVE CVE-2025-71305 https://www.cve.org/CVERecord?id=CVE-2025-71305 Référence CVE CVE-2026-22984 https://www.cve.org/CVERecord?id=CVE-2026-22984 Référence CVE CVE-2026-23100 https://www.cve.org/CVERecord?id=CVE-2026-23100 Référence CVE CVE-2026-23112 https://www.cve.org/CVERecord?id=CVE-2026-23112 Référence CVE CVE-2026-23169 https://www.cve.org/CVERecord?id=CVE-2026-23169 Référence CVE CVE-2026-23176 https://www.cve.org/CVERecord?id=CVE-2026-23176 Référence CVE CVE-2026-23180 https://www.cve.org/CVERecord?id=CVE-2026-23180 Référence CVE CVE-2026-23182 https://www.cve.org/CVERecord?id=CVE-2026-23182 Référence CVE CVE-2026-23190 https://www.cve.org/CVERecord?id=CVE-2026-23190 Référence CVE CVE-2026-23193 https://www.cve.org/CVERecord?id=CVE-2026-23193 Référence CVE CVE-2026-23198 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0831Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2026-23090 Référence CVE CVE-2026-23091 https://www.cve.org/CVERecord?id=CVE-2026-23091 Référence CVE CVE-2026-23093 https://www.cve.org/CVERecord?id=CVE-2026-23093 Référence CVE CVE-2026-23094 https://www.cve.org/CVERecord?id=CVE-2026-23094 Référence CVE CVE-2026-23095 https://www.cve.org/CVERecord?id=CVE-2026-23095 Référence CVE CVE-2026-23096 https://www.cve.org/CVERecord?id=CVE-2026-23096 Référence CVE CVE-2026-23097 https://www.cve.org/CVERecord?id=CVE-2026-23097 Référence CVE CVE-2026-23098 https://www.cve.org/CVERecord?id=CVE-2026-23098 Référence CVE CVE-2026-23099 https://www.cve.org/CVERecord?id=CVE-2026-23099 Référence CVE CVE-2026-23100 https://www.cve.org/CVERecord?id=CVE-2026-23100 Référence CVE CVE-2026-23101 https://www.cve.org/CVERecord?id=CVE-2026-23101 Référence CVE CVE-2026-23102 https://www.cve.org/CVERecord?id=CVE-2026-23102 Référence CVE CVE-2026-23103 https://www.cve.org/CVERecord?id=CVE-2026-23103 Référence CVE CVE-2026-23105 https://www.cve.org/CVERecord?id=CVE-2026-23105 Référence CVE CVE-2026-23107 https://www.cve.org/CVERecord?id=CVE-2026-23107 Référence CVE CVE-2026-23108 https://www.cve.org/CVERecord?id=CVE-2026-23108 Référence CVE CVE-2026-23110 https://www.cve.org/CVERecord?id=CVE-2026-23110 Référence CVE CVE-2026-23113 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0696Multiples vulnérabilités dans le noyau Linux de Debian LTS

d?id=CVE-2024-56584 Référence CVE CVE-2025-39748 https://www.cve.org/CVERecord?id=CVE-2025-39748 Référence CVE CVE-2025-39764 https://www.cve.org/CVERecord?id=CVE-2025-39764 Référence CVE CVE-2025-40219 https://www.cve.org/CVERecord?id=CVE-2025-40219 Référence CVE CVE-2025-40261 https://www.cve.org/CVERecord?id=CVE-2025-40261 Référence CVE CVE-2025-68206 https://www.cve.org/CVERecord?id=CVE-2025-68206 Référence CVE CVE-2025-71274 https://www.cve.org/CVERecord?id=CVE-2025-71274 Référence CVE CVE-2025-71292 https://www.cve.org/CVERecord?id=CVE-2025-71292 Référence CVE CVE-2025-71304 https://www.cve.org/CVERecord?id=CVE-2025-71304 Référence CVE CVE-2026-23100 https://www.cve.org/CVERecord?id=CVE-2026-23100 Référence CVE CVE-2026-23112 https://www.cve.org/CVERecord?id=CVE-2026-23112 Référence CVE CVE-2026-23227 https://www.cve.org/CVERecord?id=CVE-2026-23227 Référence CVE CVE-2026-23242 https://www.cve.org/CVERecord?id=CVE-2026-23242 Référence CVE CVE-2026-23243 https://www.cve.org/CVERecord?id=CVE-2026-23243 Référence CVE CVE-2026-23245 https://www.cve.org/CVERecord?id=CVE-2026-23245 Référence CVE CVE-2026-23253 https://www.cve.org/CVERecord?id=CVE-2026-23253 Référence CVE CVE-2026-23273 https://www.cve.org/CVERecord?id=CVE-2026-23273 Référence CVE CVE-2026-23274 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0547Multiples vulnérabilités dans le noyau Linux de Debian LTS

d?id=CVE-2025-68239 Référence CVE CVE-2025-68265 https://www.cve.org/CVERecord?id=CVE-2025-68265 Référence CVE CVE-2025-71067 https://www.cve.org/CVERecord?id=CVE-2025-71067 Référence CVE CVE-2025-71161 https://www.cve.org/CVERecord?id=CVE-2025-71161 Référence CVE CVE-2025-71221 https://www.cve.org/CVERecord?id=CVE-2025-71221 Référence CVE CVE-2025-71265 https://www.cve.org/CVERecord?id=CVE-2025-71265 Référence CVE CVE-2025-71266 https://www.cve.org/CVERecord?id=CVE-2025-71266 Référence CVE CVE-2025-71267 https://www.cve.org/CVERecord?id=CVE-2025-71267 Référence CVE CVE-2025-71269 https://www.cve.org/CVERecord?id=CVE-2025-71269 Référence CVE CVE-2026-23100 https://www.cve.org/CVERecord?id=CVE-2026-23100 Référence CVE CVE-2026-23113 https://www.cve.org/CVERecord?id=CVE-2026-23113 Référence CVE CVE-2026-23141 https://www.cve.org/CVERecord?id=CVE-2026-23141 Référence CVE CVE-2026-23154 https://www.cve.org/CVERecord?id=CVE-2026-23154 Référence CVE CVE-2026-23157 https://www.cve.org/CVERecord?id=CVE-2026-23157 Référence CVE CVE-2026-23204 https://www.cve.org/CVERecord?id=CVE-2026-23204 Référence CVE CVE-2026-23227 https://www.cve.org/CVERecord?id=CVE-2026-23227 Référence CVE CVE-2026-23231 https://www.cve.org/CVERecord?id=CVE-2026-23231 Référence CVE CVE-2026-23242 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0548Multiples vulnérabilités dans le noyau Linux de Debian

d?id=CVE-2025-71267 Référence CVE CVE-2025-71269 https://www.cve.org/CVERecord?id=CVE-2025-71269 Référence CVE CVE-2026-22981 https://www.cve.org/CVERecord?id=CVE-2026-22981 Référence CVE CVE-2026-22985 https://www.cve.org/CVERecord?id=CVE-2026-22985 Référence CVE CVE-2026-22986 https://www.cve.org/CVERecord?id=CVE-2026-22986 Référence CVE CVE-2026-22993 https://www.cve.org/CVERecord?id=CVE-2026-22993 Référence CVE CVE-2026-23004 https://www.cve.org/CVERecord?id=CVE-2026-23004 Référence CVE CVE-2026-23066 https://www.cve.org/CVERecord?id=CVE-2026-23066 Référence CVE CVE-2026-23070 https://www.cve.org/CVERecord?id=CVE-2026-23070 Référence CVE CVE-2026-23100 https://www.cve.org/CVERecord?id=CVE-2026-23100 Référence CVE CVE-2026-23104 https://www.cve.org/CVERecord?id=CVE-2026-23104 Référence CVE CVE-2026-23113 https://www.cve.org/CVERecord?id=CVE-2026-23113 Référence CVE CVE-2026-23138 https://www.cve.org/CVERecord?id=CVE-2026-23138 Référence CVE CVE-2026-23141 https://www.cve.org/CVERecord?id=CVE-2026-23141 Référence CVE CVE-2026-23154 https://www.cve.org/CVERecord?id=CVE-2026-23154 Référence CVE CVE-2026-23157 https://www.cve.org/CVERecord?id=CVE-2026-23157 Référence CVE CVE-2026-23204 https://www.cve.org/CVERecord?id=CVE-2026-23204 Référence CVE CVE-2026-23207 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0376Multiples vulnérabilités dans les produits Microsoft

ulletin de sécurité Microsoft CVE-2026-23244 du 19 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23245 du 19 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23246 du 19 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23253 du 20 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23268 du 20 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23269 du 20 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23271 du 21 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23274 du 21 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23277 du 21 mars 2026 Bulletin de sécurité Microsoft CVE-2026-30922 du 21 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23100 du 22 mars 2026 Bulletin de sécurité Microsoft CVE-2026-4437 du 22 mars 2026 Bulletin de sécurité Microsoft CVE-2026-4438 du 22 mars 2026 Bulletin de sécurité Microsoft CVE-2025-69720 du 25 mars 2026 Bulletin de sécurité Microsoft CVE-2026-2369 du 25 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23279 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23281 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23284 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23285 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23286 du 26 mars 2026 Bulletin de sécurité Microsoft CVE-2026-23289 du 26 mars 2026 Bulletin de sécu

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0326Multiples vulnérabilités dans les produits VMware

d?id=CVE-2026-23089 Référence CVE CVE-2026-23090 https://www.cve.org/CVERecord?id=CVE-2026-23090 Référence CVE CVE-2026-23091 https://www.cve.org/CVERecord?id=CVE-2026-23091 Référence CVE CVE-2026-23093 https://www.cve.org/CVERecord?id=CVE-2026-23093 Référence CVE CVE-2026-23095 https://www.cve.org/CVERecord?id=CVE-2026-23095 Référence CVE CVE-2026-23096 https://www.cve.org/CVERecord?id=CVE-2026-23096 Référence CVE CVE-2026-23097 https://www.cve.org/CVERecord?id=CVE-2026-23097 Référence CVE CVE-2026-23098 https://www.cve.org/CVERecord?id=CVE-2026-23098 Référence CVE CVE-2026-23099 https://www.cve.org/CVERecord?id=CVE-2026-23099 Référence CVE CVE-2026-23100 https://www.cve.org/CVERecord?id=CVE-2026-23100 Référence CVE CVE-2026-23101 https://www.cve.org/CVERecord?id=CVE-2026-23101 Référence CVE CVE-2026-23103 https://www.cve.org/CVERecord?id=CVE-2026-23103 Référence CVE CVE-2026-23105 https://www.cve.org/CVERecord?id=CVE-2026-23105 Référence CVE CVE-2026-23108 https://www.cve.org/CVERecord?id=CVE-2026-23108 Référence CVE CVE-2026-23110 https://www.cve.org/CVERecord?id=CVE-2026-23110 Référence CVE CVE-2026-23111 https://www.cve.org/CVERecord?id=CVE-2026-23111 Référence CVE CVE-2026-23112 https://www.cve.org/CVERecord?id=CVE-2026-23112 Référence CVE CVE-2026-23113 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0316Multiples vulnérabilités dans les produits VMware

d?id=CVE-2026-23089 Référence CVE CVE-2026-23090 https://www.cve.org/CVERecord?id=CVE-2026-23090 Référence CVE CVE-2026-23091 https://www.cve.org/CVERecord?id=CVE-2026-23091 Référence CVE CVE-2026-23093 https://www.cve.org/CVERecord?id=CVE-2026-23093 Référence CVE CVE-2026-23095 https://www.cve.org/CVERecord?id=CVE-2026-23095 Référence CVE CVE-2026-23096 https://www.cve.org/CVERecord?id=CVE-2026-23096 Référence CVE CVE-2026-23097 https://www.cve.org/CVERecord?id=CVE-2026-23097 Référence CVE CVE-2026-23098 https://www.cve.org/CVERecord?id=CVE-2026-23098 Référence CVE CVE-2026-23099 https://www.cve.org/CVERecord?id=CVE-2026-23099 Référence CVE CVE-2026-23100 https://www.cve.org/CVERecord?id=CVE-2026-23100 Référence CVE CVE-2026-23101 https://www.cve.org/CVERecord?id=CVE-2026-23101 Référence CVE CVE-2026-23103 https://www.cve.org/CVERecord?id=CVE-2026-23103 Référence CVE CVE-2026-23105 https://www.cve.org/CVERecord?id=CVE-2026-23105 Référence CVE CVE-2026-23108 https://www.cve.org/CVERecord?id=CVE-2026-23108 Référence CVE CVE-2026-23110 https://www.cve.org/CVERecord?id=CVE-2026-23110 Référence CVE CVE-2026-23111 https://www.cve.org/CVERecord?id=CVE-2026-23111 Référence CVE CVE-2026-23112 https://www.cve.org/CVERecord?id=CVE-2026-23112 Référence CVE CVE-2026-23113 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-0291Multiples vulnérabilités dans le noyau Linux de Debian

d?id=CVE-2025-71220 Référence CVE CVE-2025-71222 https://www.cve.org/CVERecord?id=CVE-2025-71222 Référence CVE CVE-2025-71224 https://www.cve.org/CVERecord?id=CVE-2025-71224 Référence CVE CVE-2025-71232 https://www.cve.org/CVERecord?id=CVE-2025-71232 Référence CVE CVE-2025-71233 https://www.cve.org/CVERecord?id=CVE-2025-71233 Référence CVE CVE-2025-71235 https://www.cve.org/CVERecord?id=CVE-2025-71235 Référence CVE CVE-2025-71236 https://www.cve.org/CVERecord?id=CVE-2025-71236 Référence CVE CVE-2025-71237 https://www.cve.org/CVERecord?id=CVE-2025-71237 Référence CVE CVE-2025-71238 https://www.cve.org/CVERecord?id=CVE-2025-71238 Référence CVE CVE-2026-23100 https://www.cve.org/CVERecord?id=CVE-2026-23100 Référence CVE CVE-2026-23111 https://www.cve.org/CVERecord?id=CVE-2026-23111 Référence CVE CVE-2026-23112 https://www.cve.org/CVERecord?id=CVE-2026-23112 Référence CVE CVE-2026-23169 https://www.cve.org/CVERecord?id=CVE-2026-23169 Référence CVE CVE-2026-23176 https://www.cve.org/CVERecord?id=CVE-2026-23176 Référence CVE CVE-2026-23178 https://www.cve.org/CVERecord?id=CVE-2026-23178 Référence CVE CVE-2026-23180 https://www.cve.org/CVERecord?id=CVE-2026-23180 Référence CVE CVE-2026-23182 https://www.cve.org/CVERecord?id=CVE-2026-23182 Référence CVE CVE-2026-23187 https://www.cve.org/CVERecord?id=

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2026-008140LinuxのLinux Kernelにおける不特定の脆弱性

このパッチシリーズは、Linuxカーネルにおけるhugetlb_pmd_shared()の修正に関するもので、共有されたPMDテーブルを正しく検出し、パフォーマンスの退行を防止します。これにより、fork()やexit()時に過剰なIPIの送信を削減し、ページ移行時の不整合を解消します。その他に、コードのクリーンアップやコメントの修正も含まれています。

Official advisory ↗
03

Patch and workaround

Operational remediation based on structured source evidence.

Status
?Patch availability is based on structured fixed-version fields and authoritative update references. If no fix is verified, check the vendor advisory before making a change.
Fix availability varies by product
Affected
Fixed
Linux: < 6.13, 5.10.253 ≤ 5.10.*, 5.15.203 ≤ 5.15.*, 6.1.167 ≤ 6.1.*, 6.6.127 ≤ 6.6.*, 6.12.74 ≤ 6.12.*, 6.18.8 ≤ 6.18.*, 6.19 ≤ *
Action
Use the product-specific evidence above. Patch only products with a verified fixed release, and keep every affected or under-investigation state without a matching fix in the remediation queue.
Workaround
Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.
04

Evidence and provenance

Published 4 Feb 2026 · Last source change 8 Sept 2026, 08:44 UTC · CWE not yet assigned

CVE recordCVE.org · 5.2
CVSS sourceNIST NVD
EPSS source
?The date BlackTree first stored a score for this CVE from the daily FIRST EPSS feed.
FIRST · tracked since 2026-08-14
European sourceENISA EUVD · EUVD-2026-5442
Product sourceVendor CSAF · Siemens ProductCERT
Remediation sourceVendor CSAF · Siemens ProductCERT
CWE sourceUnavailable
NVD statusNVD modified after enrichment

Missing structured fields: CWE classification. Missing data is not evidence of low risk; review the primary advisory.

Material change intelligence

What changed after publication

View recent updates ↗
  1. Affected versionsThe structured affected or fixed version information changed.
    Before
    94b4b41d0cdf5cfd4d4325bc0e6e9e0d0e996133 < 8ae48255bcb17b32436be97553dca848730d365f; 8410996eb6fea116fe1483ed977aacf580eee7b4 < bf3c2affe245cf831866ddc8f736ae6a22cdc11c; 02333ac1c35370517a19a4a131332a9690c6a5c7 < 5b2aec77f92265a9028c5f632bdd9af5b57ec3a3; 56b274473d6e7e7375f2d0a2b4aca11d67c6b52f < 51dcf459845fd28f5a0d83d408a379b274ec5cc5; 2e31443a0d18ae43b9d29e02bf0563f07772193d < 3a18b452dd5f7f1652c2e92f8ae769aa17a66c9e; 59d9094df3d79443937add8700b2ef1a866b1081 < 69c4e241ff13545d410a8b2a688c932182a858bf; 59d9094df3d79443937add8700b2ef1a866b1081 < ca1a47cd3f5f4c46ca188b1c9a27af87d1ab2216; 5.10.239 < 5.10.253 · Fixed: < 6.13; 5.10.253 ≤ 5.10.*; 5.15.203 ≤ 5.15.*; 6.1.167 ≤ 6.1.*; 6.6.127 ≤ 6.6.*; 6.12.74 ≤ 6.12.*; 6.18.8 ≤ 6.18.*; 6.19 ≤ *
    After
    Linux: 94b4b41d0cdf5cfd4d4325bc0e6e9e0d0e996133 < 8ae48255bcb17b32436be97553dca848730d365f, 8410996eb6fea116fe1483ed977aacf580eee7b4 < bf3c2affe245cf831866ddc8f736ae6a22cdc11c, 02333ac1c35370517a19a4a131332a9690c6a5c7 < 5b2aec77f92265a9028c5f632bdd9af5b57ec3a3, 56b274473d6e7e7375f2d0a2b4aca11d67c6b52f < 51dcf459845fd28f5a0d83d408a379b274ec5cc5, 2e31443a0d18ae43b9d29e02bf0563f07772193d < 3a18b452dd5f7f1652c2e92f8ae769aa17a66c9e, 59d9094df3d79443937add8700b2ef1a866b1081 < 69c4e241ff13545d410a8b2a688c932182a858bf, 59d9094df3d79443937add8700b2ef1a866b1081 < ca1a47cd3f5f4c46ca188b1c9a27af87d1ab2216, 5.10.239 < 5.10.253, 5.15.186 < 5.15.203, 6.1.142 < 6.1.167, 6.6.72 < 6.6.127, 6.12.9 < 6.12.74, 6.13 · Fixed: Linux: < 6.13, 5.10.253 ≤ 5.10.*, 5.15.203 ≤ 5.15.*, 6.1.167 ≤ 6.1.*, 6.6.127 ≤ 6.6.*, 6.12.74 ≤ 6.12.*, 6.18.8 ≤ 6.18.*, 6.19 ≤ *
    CNA ↗
Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
Technical terms and abbreviations used in this report
CVE
Common Vulnerabilities and Exposures: the public identifier for one disclosed vulnerability.
CVSS
Common Vulnerability Scoring System: a technical severity framework; it is not patching priority by itself.
EPSS
Exploit Prediction Scoring System: FIRST's estimate of the probability that exploitation activity will be observed in the next 30 days; it is a forecast, not confirmation.
CWE
Common Weakness Enumeration: the standard category describing the underlying software or hardware weakness.
CNA
CVE Numbering Authority: an organisation authorised to assign and publish CVE records.
CISA ADP
Cybersecurity and Infrastructure Security Agency Authorized Data Publisher: structured enrichment added to a CVE record.
NVD
National Vulnerability Database: NIST's enrichment service for CVE records.
CERT / CSIRT
A computer security incident response team that publishes warnings or coordinates incident response.
PoC
Proof of concept: public material that demonstrates or helps reproduce exploitation.
CSAF
Common Security Advisory Framework: a machine-readable format for security advisories.
LoTL
Living off the land: abuse of legitimate tools or system functions during an attack.
Free version - for non-commercial use only.CVE-2026-23100 · cve.blacktree.nl