BlackTreeIndependent security intelligence

Full vulnerability report · 2026

CVE-2026-23474High confidence

mtd: Avoid boot crash in RedBoot partition table parser

Linux · Linux

5.5MediumCVSS 3.1

Recommended action

Scheduled

Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.

Patch available

Distribution package intelligence

Ubuntu vendor package status

Canonical’s release and source-package findings are shown separately from local repository availability.

20 package states

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.

Ubuntu release	Source package	Vendor state	Fixed version	Evidence
Ubuntu 24.04 LTSnoble · standard archive	`linux`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-aws`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-azure`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-azure-fde`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-azure-nvidia`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-gcp`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-gke`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-gkeop`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-ibm`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-lowlatency`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-nvidia`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-nvidia-lowlatency`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-nvidia-tegra`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-oem-6.11`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-oracle`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-raspi`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-raspi-realtime`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-realtime`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-riscv`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 2026
Ubuntu 24.04 LTSnoble · standard archive	`linux-xilinx`	Affected, 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 feed`	Canonical record ↗Source updated 9 Sept 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: mtd: Avoid boot crash in RedBoot partition table parser Given CONFIG_FORTIFY_SOURCE=y and a recent compiler, commit 439a1bcac648 ("fortify: Use __builtin_dynamic_object_size() when available") produces the warning below and an oops. Searching for RedBoot partition table in 50000000.flash at offset 0x7e0000 ------------[ cut here ]------------ WARNING: lib/string_helpers.c:1035 at 0xc029e04c, CPU#0: swapper/0/1 memcmp: detected buffer overflow: 15 byte read of buffer size 14 Modules linked in: CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.19.0 #1 NONE As Kees said, "'names' is pointing to the final 'namelen' many bytes of the allocation ... 'namelen' could be basically any length at all. This fortify warning looks legit to me -- this code used to be reading beyond the end of the allocation." Since the size of the dynamic allocation is calculated with strlen() we can use strcmp() instead of memcmp() and remain within bounds.
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: mtd: Avoid boot crash in RedBoot partition table parser Given CONFIG_FORTIFY_SOURCE=y and a recent compiler, commit 439a1bcac648 ("fortify: Use __builtin_dynamic_object_size() when available") produces the warning below and an oops. Searching for RedBoot partition table in 50000000.flash at offset 0x7e0000 ------------[ cut here ]------------ WARNING: lib/string_helpers.c:1035 at 0xc029e04c, CPU#0: swapper/0/1 memcmp: detected buffer overflow: 15 byte read of buffer size 14 Modules linked in: CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.19.0 #1 NONE As Kees said, "'names' is pointing to the final 'namelen' many bytes of the allocation ... 'namelen' could be basically any length at all. This fortify warning looks legit to me -- this code used to be reading beyond the end of the allocation." Since the size of the dynamic allocation is calculated with strlen() we can use strcmp() instead of memcmp() and remain within bounds.
Remediation: Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.

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-2026-18749

No EUVD known-exploited evidence

In the Linux kernel, the following vulnerability has been resolved: mtd: Avoid boot crash in RedBoot partition table parser Given CONFIG_FORTIFY_SOURCE=y and a recent compiler, commit 439a1bcac648 ("fortify: Use __builtin_dynamic_object_size() when available") produces the warning below and an oops. Searching for RedBoot partition table in 50000000.flash at offset 0x7e0000 ------------[ cut here ]------------ WARNING: lib/string_helpers.c:1035 at 0xc029e04c, CPU#0: swapper/0/1 memcmp: detected buffer overflow: 15 byte read of buffer size 14 Modules linked in: CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.19.0 #1 NONE As Kees said, "'names' is pointing to the final 'namelen' many bytes of the allocation ... 'namelen' could be basically any length at all. This fortify warning looks legit to me -- this code used to be reading beyond the end of the allocation." Since the size of the dynamic allocation is calculated with strlen() we can use strcmp() instead of memcmp() and remain within bounds.

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 actionScheduled

Medium technical severity with no CISA KEV confirmation; remediate through the normal risk-based patch cycle unless local exposure raises the priority.

Patch available

What, why and how

What

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 disrupt the affected service.

What

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 disrupt the affected service.

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 → disrupt the affected service
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.

Denial of service

Official authority intelligence

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

ENISA EUVD · EUVD-2026-18749Official EUVD mapping

Official EUVD record

BSI · German · WID-SEC-W-2026-0985Linux Kernel: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um unter anderem einen Denial of Service-Angriff auszuführen oder um Sicherheitsmechanismen zu umgehen.

Official advisory

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

d?id=CVE-2026-23452 Référence CVE CVE-2026-23454 https://www.cve.org/CVERecord?id=CVE-2026-23454 Référence CVE CVE-2026-23455 https://www.cve.org/CVERecord?id=CVE-2026-23455 Référence CVE CVE-2026-23456 https://www.cve.org/CVERecord?id=CVE-2026-23456 Référence CVE CVE-2026-23457 https://www.cve.org/CVERecord?id=CVE-2026-23457 Référence CVE CVE-2026-23458 https://www.cve.org/CVERecord?id=CVE-2026-23458 Référence CVE CVE-2026-23460 https://www.cve.org/CVERecord?id=CVE-2026-23460 Référence CVE CVE-2026-23462 https://www.cve.org/CVERecord?id=CVE-2026-23462 Référence CVE CVE-2026-23463 https://www.cve.org/CVERecord?id=CVE-2026-23463 Référence CVE CVE-2026-23474 https://www.cve.org/CVERecord?id=CVE-2026-23474 Référence CVE CVE-2026-31393 https://www.cve.org/CVERecord?id=CVE-2026-31393 Référence CVE CVE-2026-31396 https://www.cve.org/CVERecord?id=CVE-2026-31396 Référence CVE CVE-2026-31399 https://www.cve.org/CVERecord?id=CVE-2026-31399 Référence CVE CVE-2026-31400 https://www.cve.org/CVERecord?id=CVE-2026-31400 Référence CVE CVE-2026-31402 https://www.cve.org/CVERecord?id=CVE-2026-31402 Référence CVE CVE-2026-31405 https://www.cve.org/CVERecord?id=CVE-2026-31405 Référence CVE CVE-2026-31407 https://www.cve.org/CVERecord?id=CVE-2026-31407 Référence CVE CVE-2026-31408 https://www.cve.org/CVERecord?id=

Official advisory

CERT-FR · French · CERTFR-2026-AVI-1066Multiples vulnérabilités dans le noyau Linux d'Ubuntu

d?id=CVE-2026-23458 Référence CVE CVE-2026-23460 https://www.cve.org/CVERecord?id=CVE-2026-23460 Référence CVE CVE-2026-23461 https://www.cve.org/CVERecord?id=CVE-2026-23461 Référence CVE CVE-2026-23462 https://www.cve.org/CVERecord?id=CVE-2026-23462 Référence CVE CVE-2026-23463 https://www.cve.org/CVERecord?id=CVE-2026-23463 Référence CVE CVE-2026-23464 https://www.cve.org/CVERecord?id=CVE-2026-23464 Référence CVE CVE-2026-23465 https://www.cve.org/CVERecord?id=CVE-2026-23465 Référence CVE CVE-2026-23468 https://www.cve.org/CVERecord?id=CVE-2026-23468 Référence CVE CVE-2026-23470 https://www.cve.org/CVERecord?id=CVE-2026-23470 Référence CVE CVE-2026-23474 https://www.cve.org/CVERecord?id=CVE-2026-23474 Référence CVE CVE-2026-23475 https://www.cve.org/CVERecord?id=CVE-2026-23475 Référence CVE CVE-2026-31389 https://www.cve.org/CVERecord?id=CVE-2026-31389 Référence CVE CVE-2026-31391 https://www.cve.org/CVERecord?id=CVE-2026-31391 Référence CVE CVE-2026-31392 https://www.cve.org/CVERecord?id=CVE-2026-31392 Référence CVE CVE-2026-31393 https://www.cve.org/CVERecord?id=CVE-2026-31393 Référence CVE CVE-2026-31394 https://www.cve.org/CVERecord?id=CVE-2026-31394 Référence CVE CVE-2026-31396 https://www.cve.org/CVERecord?id=CVE-2026-31396 Référence CVE CVE-2026-31399 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-2026-23446 Référence CVE CVE-2026-23452 https://www.cve.org/CVERecord?id=CVE-2026-23452 Référence CVE CVE-2026-23454 https://www.cve.org/CVERecord?id=CVE-2026-23454 Référence CVE CVE-2026-23456 https://www.cve.org/CVERecord?id=CVE-2026-23456 Référence CVE CVE-2026-23457 https://www.cve.org/CVERecord?id=CVE-2026-23457 Référence CVE CVE-2026-23458 https://www.cve.org/CVERecord?id=CVE-2026-23458 Référence CVE CVE-2026-23460 https://www.cve.org/CVERecord?id=CVE-2026-23460 Référence CVE CVE-2026-23462 https://www.cve.org/CVERecord?id=CVE-2026-23462 Référence CVE CVE-2026-23463 https://www.cve.org/CVERecord?id=CVE-2026-23463 Référence CVE CVE-2026-23474 https://www.cve.org/CVERecord?id=CVE-2026-23474 Référence CVE CVE-2026-31393 https://www.cve.org/CVERecord?id=CVE-2026-31393 Référence CVE CVE-2026-31396 https://www.cve.org/CVERecord?id=CVE-2026-31396 Référence CVE CVE-2026-31399 https://www.cve.org/CVERecord?id=CVE-2026-31399 Référence CVE CVE-2026-31400 https://www.cve.org/CVERecord?id=CVE-2026-31400 Référence CVE CVE-2026-31405 https://www.cve.org/CVERecord?id=CVE-2026-31405 Référence CVE CVE-2026-31407 https://www.cve.org/CVERecord?id=CVE-2026-31407 Référence CVE CVE-2026-31408 https://www.cve.org/CVERecord?id=CVE-2026-31408 Référence CVE CVE-2026-31409 https://www.cve.org/CVERecord?id=

Official advisory

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

Official advisory

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

Official advisory

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

26-23273, 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-2026-23434, CVE-2026-23438, CVE-2026-23439, CVE-2026-23446, CVE-2026-23449, CVE-2026-23450, CVE-2026-23452, CVE-2026-23454, CVE-2026-23455, CVE-2026-23456, CVE-2026-23457, CVE-2026-23458, CVE-2026-23463, CVE-2026-23474, CVE-2026-23475, CVE-2026-27135, CVE-2026-31389, CVE-2026-31391, CVE-2026-31396, CVE-2026-31402, CVE-2026-31403, CVE-2026-31411, CVE-2026-31414, CVE-2026-31415, CVE-2026-31416, CVE-2026-31417, CVE-2026-31418, CVE-2026-31421, CVE-2026-31422, CVE-2026-31423, CVE-2026-31424, CVE-2026-31427, CVE-2026-31428, CVE-2026-31431, CVE-2026-31441, CVE-2026-31446, CVE-2026-31447, CVE-2026-31448, CVE-2026-31450, CVE-2026-31452, CVE-2026-31466, CVE-2026-31469, CVE-2026-31485, CVE-2026-31494, CVE-2026-31495, CVE-2026-31496, CVE-2026-31503, CVE-2026-31504, CVE-2026-31507, CVE-2026-31508, CVE-2026-31515, CVE-2026-31518, CVE-2026-31521, CVE-2026-31533, CVE-2026

Official advisory

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

d?id=CVE-2026-23446 Référence CVE CVE-2026-23452 https://www.cve.org/CVERecord?id=CVE-2026-23452 Référence CVE CVE-2026-23455 https://www.cve.org/CVERecord?id=CVE-2026-23455 Référence CVE CVE-2026-23456 https://www.cve.org/CVERecord?id=CVE-2026-23456 Référence CVE CVE-2026-23457 https://www.cve.org/CVERecord?id=CVE-2026-23457 Référence CVE CVE-2026-23458 https://www.cve.org/CVERecord?id=CVE-2026-23458 Référence CVE CVE-2026-23460 https://www.cve.org/CVERecord?id=CVE-2026-23460 Référence CVE CVE-2026-23462 https://www.cve.org/CVERecord?id=CVE-2026-23462 Référence CVE CVE-2026-23463 https://www.cve.org/CVERecord?id=CVE-2026-23463 Référence CVE CVE-2026-23474 https://www.cve.org/CVERecord?id=CVE-2026-23474 Référence CVE CVE-2026-31391 https://www.cve.org/CVERecord?id=CVE-2026-31391 Référence CVE CVE-2026-31393 https://www.cve.org/CVERecord?id=CVE-2026-31393 Référence CVE CVE-2026-31396 https://www.cve.org/CVERecord?id=CVE-2026-31396 Référence CVE CVE-2026-31399 https://www.cve.org/CVERecord?id=CVE-2026-31399 Référence CVE CVE-2026-31400 https://www.cve.org/CVERecord?id=CVE-2026-31400 Référence CVE CVE-2026-31402 https://www.cve.org/CVERecord?id=CVE-2026-31402 Référence CVE CVE-2026-31403 https://www.cve.org/CVERecord?id=CVE-2026-31403 Référence CVE CVE-2026-31405 https://www.cve.org/CVERecord?id=

Official advisory

CERT-FR · French · CERTFR-2026-AVI-0697Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2026-23462 Référence CVE CVE-2026-23463 https://www.cve.org/CVERecord?id=CVE-2026-23463 Référence CVE CVE-2026-23464 https://www.cve.org/CVERecord?id=CVE-2026-23464 Référence CVE CVE-2026-23465 https://www.cve.org/CVERecord?id=CVE-2026-23465 Référence CVE CVE-2026-23466 https://www.cve.org/CVERecord?id=CVE-2026-23466 Référence CVE CVE-2026-23468 https://www.cve.org/CVERecord?id=CVE-2026-23468 Référence CVE CVE-2026-23470 https://www.cve.org/CVERecord?id=CVE-2026-23470 Référence CVE CVE-2026-23472 https://www.cve.org/CVERecord?id=CVE-2026-23472 Référence CVE CVE-2026-23473 https://www.cve.org/CVERecord?id=CVE-2026-23473 Référence CVE CVE-2026-23474 https://www.cve.org/CVERecord?id=CVE-2026-23474 Référence CVE CVE-2026-23475 https://www.cve.org/CVERecord?id=CVE-2026-23475 Référence CVE CVE-2026-31389 https://www.cve.org/CVERecord?id=CVE-2026-31389 Référence CVE CVE-2026-31392 https://www.cve.org/CVERecord?id=CVE-2026-31392 Référence CVE CVE-2026-31393 https://www.cve.org/CVERecord?id=CVE-2026-31393 Référence CVE CVE-2026-31394 https://www.cve.org/CVERecord?id=CVE-2026-31394 Référence CVE CVE-2026-31395 https://www.cve.org/CVERecord?id=CVE-2026-31395 Référence CVE CVE-2026-31400 https://www.cve.org/CVERecord?id=CVE-2026-31400 Référence CVE CVE-2026-31402 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-2026-23458 Référence CVE CVE-2026-23460 https://www.cve.org/CVERecord?id=CVE-2026-23460 Référence CVE CVE-2026-23461 https://www.cve.org/CVERecord?id=CVE-2026-23461 Référence CVE CVE-2026-23462 https://www.cve.org/CVERecord?id=CVE-2026-23462 Référence CVE CVE-2026-23463 https://www.cve.org/CVERecord?id=CVE-2026-23463 Référence CVE CVE-2026-23464 https://www.cve.org/CVERecord?id=CVE-2026-23464 Référence CVE CVE-2026-23465 https://www.cve.org/CVERecord?id=CVE-2026-23465 Référence CVE CVE-2026-23466 https://www.cve.org/CVERecord?id=CVE-2026-23466 Référence CVE CVE-2026-23470 https://www.cve.org/CVERecord?id=CVE-2026-23470 Référence CVE CVE-2026-23474 https://www.cve.org/CVERecord?id=CVE-2026-23474 Référence CVE CVE-2026-23475 https://www.cve.org/CVERecord?id=CVE-2026-23475 Référence CVE CVE-2026-31389 https://www.cve.org/CVERecord?id=CVE-2026-31389 Référence CVE CVE-2026-31391 https://www.cve.org/CVERecord?id=CVE-2026-31391 Référence CVE CVE-2026-31392 https://www.cve.org/CVERecord?id=CVE-2026-31392 Référence CVE CVE-2026-31393 https://www.cve.org/CVERecord?id=CVE-2026-31393 Référence CVE CVE-2026-31394 https://www.cve.org/CVERecord?id=CVE-2026-31394 Référence CVE CVE-2026-31396 https://www.cve.org/CVERecord?id=CVE-2026-31396 Référence CVE CVE-2026-31399 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-2026-23452 Référence CVE CVE-2026-23454 https://www.cve.org/CVERecord?id=CVE-2026-23454 Référence CVE CVE-2026-23455 https://www.cve.org/CVERecord?id=CVE-2026-23455 Référence CVE CVE-2026-23456 https://www.cve.org/CVERecord?id=CVE-2026-23456 Référence CVE CVE-2026-23457 https://www.cve.org/CVERecord?id=CVE-2026-23457 Référence CVE CVE-2026-23458 https://www.cve.org/CVERecord?id=CVE-2026-23458 Référence CVE CVE-2026-23460 https://www.cve.org/CVERecord?id=CVE-2026-23460 Référence CVE CVE-2026-23462 https://www.cve.org/CVERecord?id=CVE-2026-23462 Référence CVE CVE-2026-23463 https://www.cve.org/CVERecord?id=CVE-2026-23463 Référence CVE CVE-2026-23474 https://www.cve.org/CVERecord?id=CVE-2026-23474 Référence CVE CVE-2026-23475 https://www.cve.org/CVERecord?id=CVE-2026-23475 Référence CVE CVE-2026-31389 https://www.cve.org/CVERecord?id=CVE-2026-31389 Référence CVE CVE-2026-31391 https://www.cve.org/CVERecord?id=CVE-2026-31391 Référence CVE CVE-2026-31392 https://www.cve.org/CVERecord?id=CVE-2026-31392 Référence CVE CVE-2026-31393 https://www.cve.org/CVERecord?id=CVE-2026-31393 Référence CVE CVE-2026-31396 https://www.cve.org/CVERecord?id=CVE-2026-31396 Référence CVE CVE-2026-31399 https://www.cve.org/CVERecord?id=CVE-2026-31399 Référence CVE CVE-2026-31400 https://www.cve.org/CVERecord?id=

Official advisory

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.: Patch available
Affected: 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
Fixed: < 2.6.12; 5.10.253 ≤ 5.10.*; 5.15.203 ≤ 5.15.*; 6.1.167 ≤ 6.1.*; 6.6.130 ≤ 6.6.*; 6.12.78 ≤ 6.12.*; 6.18.20 ≤ 6.18.*; 6.19.10 ≤ 6.19.*
Action: Review the linked authoritative reference and apply the recorded fixed release appropriate to the affected product branch.
Workaround: Limit access to the interactive shell of the additional GNU/Linux subssytem to trusted personnel only.

Evidence and provenance

Published 3 Apr 2026 · Last source change 8 Sept 2026, 08:46 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-2026-18749

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 →

No material field changes have been recorded since change tracking began. Routine source refreshes and cosmetic edits are intentionally excluded.

2026-04-03CVE published

2026-09-08Fixed release or patch reference recorded

ENISA EUVD · EUVD-2026-18749↗Vendor CSAF · Siemens ProductCERT↗CVE authority or vendor reference↗Patch or update reference↗Patch or update reference↗Patch or update reference↗Official CVE record (CNA and ADP data)↗NVD record↗

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.

mtd: Avoid boot crash in RedBoot partition table parser

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

EUVD-2026-18749

What, why and how

Exploit reality and attack path

Official authority intelligence

Patch and workaround

Evidence and provenance

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