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Full vulnerability report · 2024
CVE-2023-52686High confidence

powerpc/powernv: Add a null pointer check in opal_event_init()

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
R
Operational reassessment

Published severity in operational context

Open reassessment dashboard →
Published severityMediumOperational priority:Low, lowered one band.downgradedsince 11 May 2026

Evidence used

  • No CISA KEV confirmation is currently recorded.
  • Exploitation requires an existing local or physical foothold with privileges.
  • EPSS is 0.25% 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.

Distribution package intelligence

Release-specific package status

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

4 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.

Distribution releaseSource packageVendor stateFixed versionEvidence
Debian trixietrixie · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.6.15-1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian bookwormbookworm · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.1.76-1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian forkyforky · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.6.15-1Debian Security Tracker ↗Source updated 5 Oct 2026
Debian sidsid · sourcelinuxVendor fix publishedDebian records a fixed source-package version for this release.6.6.15-1Debian Security Tracker ↗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.

1 current
CVE-2023-52686 · CSAF 2.0 · revision 3 · finalRed Hat Product Securitykernel: powerpc/powernv: Add a null pointer check in opal_event_init()
66 known affected

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

  • bpftool as a component of Red Hat Enterprise Linux 7
  • kernel as a component of Red Hat Enterprise Linux 7
  • kernel-abi-whitelists as a component of Red Hat Enterprise Linux 7
  • kernel-bootwrapper as a component of Red Hat Enterprise Linux 7
  • kernel-debug as a component of Red Hat Enterprise Linux 7
  • kernel-debug-devel as a component of Red Hat Enterprise Linux 7
  • kernel-devel as a component of Red Hat Enterprise Linux 7
  • kernel-doc as a component of Red Hat Enterprise Linux 7
  • kernel-headers as a component of Red Hat Enterprise Linux 7
  • kernel-kdump as a component of Red Hat Enterprise Linux 7
  • kernel-kdump-devel as a component of Red Hat Enterprise Linux 7
  • kernel-rt as a component of Red Hat Enterprise Linux 7
Summary
In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.
Remediation
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect.
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-2023-57310

No EUVD known-exploited evidence

ENISA has published the identifier mapping but no EUVD description has been stored yet.

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
Not supplied in the stored EUVD record
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
01

What, why and how

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.

What

In the Linux kernel, the following vulnerability has been resolved: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.

Why

The product dereferences a pointer that it expects to be valid but is NULL.

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: powerpc/powernv: Add a null pointer check in opal_event_init() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.

Why

The product dereferences a pointer that it expects to be valid but is NULL.

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 → NULL Pointer Dereference → 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: a standard category for the underlying weakness.
CWE-476 ↗

CWE-476: NULL Pointer Dereference. The product dereferences a pointer that it expects to be valid but is NULL.

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.
CWE-476
A

Official authority intelligence

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

BSI · German · WID-SEC-2024-1905IBM QRadar SIEM: Mehrere Schwachstellen

Ein entfernter, anonymer oder lokaler Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um seine Privilegien zu erhöhen, beliebigen Code auszuführen, Daten zu manipulieren, vertrauliche Informationen offenzulegen, eine Man-in-the-Middle-Situation zu schaffen, Sicherheitsmaßnahmen zu umgehen oder eine Denial-of-Service-Situation zu schaffen.

Official advisory ↗
BSI · German · WID-SEC-2025-0225Dell PowerProtect Data Domain: Mehrere Schwachstellen

Ein Angreifer kann mehrere Schwachstellen in Dell PowerProtect Data Domain ausnutzen, um erhöhte Rechte zu erlangen, einen Denial-of-Service-Zustand herbeizuführen und einen nicht näher spezifizierten Angriff durchzuführen.

Official advisory ↗
BSI · German · WID-SEC-2024-1188Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Ein lokaler Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen.

Official advisory ↗
Cyber Security Agency of Singapore · English · CSA-SB-20240522Security Bulletin 22 May 2024

The Cyber Security Agency of Singapore included this CVE in its official Security Bulletin 22 May 2024, published on 22 May 2024. Open the linked bulletin for the product, severity and reference information published in that issue.

Official advisory ↗
CERT-FR · French · CERTFR-2026-AVI-1165Multiples vulnérabilités dans les produits IBM

d?id=CVE-2023-52648 Référence CVE CVE-2023-52653 https://www.cve.org/CVERecord?id=CVE-2023-52653 Référence CVE CVE-2023-52658 https://www.cve.org/CVERecord?id=CVE-2023-52658 Référence CVE CVE-2023-52662 https://www.cve.org/CVERecord?id=CVE-2023-52662 Référence CVE CVE-2023-52667 https://www.cve.org/CVERecord?id=CVE-2023-52667 Référence CVE CVE-2023-52669 https://www.cve.org/CVERecord?id=CVE-2023-52669 Référence CVE CVE-2023-52675 https://www.cve.org/CVERecord?id=CVE-2023-52675 Référence CVE CVE-2023-52679 https://www.cve.org/CVERecord?id=CVE-2023-52679 Référence CVE CVE-2023-52683 https://www.cve.org/CVERecord?id=CVE-2023-52683 Référence CVE CVE-2023-52686 https://www.cve.org/CVERecord?id=CVE-2023-52686 Référence CVE CVE-2023-52700 https://www.cve.org/CVERecord?id=CVE-2023-52700 Référence CVE CVE-2023-52703 https://www.cve.org/CVERecord?id=CVE-2023-52703 Référence CVE CVE-2023-52707 https://www.cve.org/CVERecord?id=CVE-2023-52707 Référence CVE CVE-2023-52730 https://www.cve.org/CVERecord?id=CVE-2023-52730 Référence CVE CVE-2023-52756 https://www.cve.org/CVERecord?id=CVE-2023-52756 Référence CVE CVE-2023-52762 https://www.cve.org/CVERecord?id=CVE-2023-52762 Référence CVE CVE-2023-52764 https://www.cve.org/CVERecord?id=CVE-2023-52764 Référence CVE CVE-2023-52775 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2025-AVI-1057Multiples vulnérabilités dans les produits VMware

d?id=CVE-2023-52648 Référence CVE CVE-2023-52649 https://www.cve.org/CVERecord?id=CVE-2023-52649 Référence CVE CVE-2023-52654 https://www.cve.org/CVERecord?id=CVE-2023-52654 Référence CVE CVE-2023-52659 https://www.cve.org/CVERecord?id=CVE-2023-52659 Référence CVE CVE-2023-52661 https://www.cve.org/CVERecord?id=CVE-2023-52661 Référence CVE CVE-2023-52662 https://www.cve.org/CVERecord?id=CVE-2023-52662 Référence CVE CVE-2023-52663 https://www.cve.org/CVERecord?id=CVE-2023-52663 Référence CVE CVE-2023-52675 https://www.cve.org/CVERecord?id=CVE-2023-52675 Référence CVE CVE-2023-52679 https://www.cve.org/CVERecord?id=CVE-2023-52679 Référence CVE CVE-2023-52686 https://www.cve.org/CVERecord?id=CVE-2023-52686 Référence CVE CVE-2023-52689 https://www.cve.org/CVERecord?id=CVE-2023-52689 Référence CVE CVE-2023-52690 https://www.cve.org/CVERecord?id=CVE-2023-52690 Référence CVE CVE-2023-52697 https://www.cve.org/CVERecord?id=CVE-2023-52697 Référence CVE CVE-2023-52698 https://www.cve.org/CVERecord?id=CVE-2023-52698 Référence CVE CVE-2023-52702 https://www.cve.org/CVERecord?id=CVE-2023-52702 Référence CVE CVE-2023-52703 https://www.cve.org/CVERecord?id=CVE-2023-52703 Référence CVE CVE-2023-52704 https://www.cve.org/CVERecord?id=CVE-2023-52704 Référence CVE CVE-2023-52706 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0903Multiples vulnérabilités dans les produits IBM

ord?id=CVE-2023-46136 Référence CVE CVE-2023-5090 https://www.cve.org/CVERecord?id=CVE-2023-5090 Référence CVE CVE-2023-52464 https://www.cve.org/CVERecord?id=CVE-2023-52464 Référence CVE CVE-2023-52560 https://www.cve.org/CVERecord?id=CVE-2023-52560 Référence CVE CVE-2023-52615 https://www.cve.org/CVERecord?id=CVE-2023-52615 Référence CVE CVE-2023-52626 https://www.cve.org/CVERecord?id=CVE-2023-52626 Référence CVE CVE-2023-52667 https://www.cve.org/CVERecord?id=CVE-2023-52667 Référence CVE CVE-2023-52669 https://www.cve.org/CVERecord?id=CVE-2023-52669 Référence CVE CVE-2023-52675 https://www.cve.org/CVERecord?id=CVE-2023-52675 Référence CVE CVE-2023-52686 https://www.cve.org/CVERecord?id=CVE-2023-52686 Référence CVE CVE-2023-52700 https://www.cve.org/CVERecord?id=CVE-2023-52700 Référence CVE CVE-2023-52703 https://www.cve.org/CVERecord?id=CVE-2023-52703 Référence CVE CVE-2023-52781 https://www.cve.org/CVERecord?id=CVE-2023-52781 Référence CVE CVE-2023-52813 https://www.cve.org/CVERecord?id=CVE-2023-52813 Référence CVE CVE-2023-52835 https://www.cve.org/CVERecord?id=CVE-2023-52835 Référence CVE CVE-2023-52877 https://www.cve.org/CVERecord?id=CVE-2023-52877 Référence CVE CVE-2023-52878 https://www.cve.org/CVERecord?id=CVE-2023-52878 Référence CVE CVE-2023-52881 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0741Multiples vulnérabilités dans Juniper Secure Analytics

d?id=CVE-2023-52598 Référence CVE CVE-2023-52606 https://www.cve.org/CVERecord?id=CVE-2023-52606 Référence CVE CVE-2023-52607 https://www.cve.org/CVERecord?id=CVE-2023-52607 Référence CVE CVE-2023-52610 https://www.cve.org/CVERecord?id=CVE-2023-52610 Référence CVE CVE-2023-52615 https://www.cve.org/CVERecord?id=CVE-2023-52615 Référence CVE CVE-2023-52626 https://www.cve.org/CVERecord?id=CVE-2023-52626 Référence CVE CVE-2023-52667 https://www.cve.org/CVERecord?id=CVE-2023-52667 Référence CVE CVE-2023-52669 https://www.cve.org/CVERecord?id=CVE-2023-52669 Référence CVE CVE-2023-52675 https://www.cve.org/CVERecord?id=CVE-2023-52675 Référence CVE CVE-2023-52686 https://www.cve.org/CVERecord?id=CVE-2023-52686 Référence CVE CVE-2023-52700 https://www.cve.org/CVERecord?id=CVE-2023-52700 Référence CVE CVE-2023-52703 https://www.cve.org/CVERecord?id=CVE-2023-52703 Référence CVE CVE-2023-52781 https://www.cve.org/CVERecord?id=CVE-2023-52781 Référence CVE CVE-2023-52813 https://www.cve.org/CVERecord?id=CVE-2023-52813 Référence CVE CVE-2023-52835 https://www.cve.org/CVERecord?id=CVE-2023-52835 Référence CVE CVE-2023-52877 https://www.cve.org/CVERecord?id=CVE-2023-52877 Référence CVE CVE-2023-52878 https://www.cve.org/CVERecord?id=CVE-2023-52878 Référence CVE CVE-2023-52881 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0720Multiples vulnérabilités dans IBM QRadar SIEM

cord?id=CVE-2023-4693 Référence CVE CVE-2023-5090 https://www.cve.org/CVERecord?id=CVE-2023-5090 Référence CVE CVE-2023-52464 https://www.cve.org/CVERecord?id=CVE-2023-52464 Référence CVE CVE-2023-52560 https://www.cve.org/CVERecord?id=CVE-2023-52560 Référence CVE CVE-2023-52615 https://www.cve.org/CVERecord?id=CVE-2023-52615 Référence CVE CVE-2023-52626 https://www.cve.org/CVERecord?id=CVE-2023-52626 Référence CVE CVE-2023-52667 https://www.cve.org/CVERecord?id=CVE-2023-52667 Référence CVE CVE-2023-52669 https://www.cve.org/CVERecord?id=CVE-2023-52669 Référence CVE CVE-2023-52675 https://www.cve.org/CVERecord?id=CVE-2023-52675 Référence CVE CVE-2023-52686 https://www.cve.org/CVERecord?id=CVE-2023-52686 Référence CVE CVE-2023-52700 https://www.cve.org/CVERecord?id=CVE-2023-52700 Référence CVE CVE-2023-52703 https://www.cve.org/CVERecord?id=CVE-2023-52703 Référence CVE CVE-2023-52781 https://www.cve.org/CVERecord?id=CVE-2023-52781 Référence CVE CVE-2023-52813 https://www.cve.org/CVERecord?id=CVE-2023-52813 Référence CVE CVE-2023-52835 https://www.cve.org/CVERecord?id=CVE-2023-52835 Référence CVE CVE-2023-52877 https://www.cve.org/CVERecord?id=CVE-2023-52877 Référence CVE CVE-2023-52878 https://www.cve.org/CVERecord?id=CVE-2023-52878 Référence CVE CVE-2023-52881 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0717Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2023-52674 Référence CVE CVE-2023-52675 https://www.cve.org/CVERecord?id=CVE-2023-52675 Référence CVE CVE-2023-52676 https://www.cve.org/CVERecord?id=CVE-2023-52676 Référence CVE CVE-2023-52678 https://www.cve.org/CVERecord?id=CVE-2023-52678 Référence CVE CVE-2023-52679 https://www.cve.org/CVERecord?id=CVE-2023-52679 Référence CVE CVE-2023-52680 https://www.cve.org/CVERecord?id=CVE-2023-52680 Référence CVE CVE-2023-52681 https://www.cve.org/CVERecord?id=CVE-2023-52681 Référence CVE CVE-2023-52683 https://www.cve.org/CVERecord?id=CVE-2023-52683 Référence CVE CVE-2023-52685 https://www.cve.org/CVERecord?id=CVE-2023-52685 Référence CVE CVE-2023-52686 https://www.cve.org/CVERecord?id=CVE-2023-52686 Référence CVE CVE-2023-52687 https://www.cve.org/CVERecord?id=CVE-2023-52687 Référence CVE CVE-2023-52690 https://www.cve.org/CVERecord?id=CVE-2023-52690 Référence CVE CVE-2023-52691 https://www.cve.org/CVERecord?id=CVE-2023-52691 Référence CVE CVE-2023-52692 https://www.cve.org/CVERecord?id=CVE-2023-52692 Référence CVE CVE-2023-52693 https://www.cve.org/CVERecord?id=CVE-2023-52693 Référence CVE CVE-2023-52694 https://www.cve.org/CVERecord?id=CVE-2023-52694 Référence CVE CVE-2023-52695 https://www.cve.org/CVERecord?id=CVE-2023-52695 Référence CVE CVE-2023-52696 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0693Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2023-52623 Référence CVE CVE-2023-52656 https://www.cve.org/CVERecord?id=CVE-2023-52656 Référence CVE CVE-2023-52658 https://www.cve.org/CVERecord?id=CVE-2023-52658 Référence CVE CVE-2023-52667 https://www.cve.org/CVERecord?id=CVE-2023-52667 Référence CVE CVE-2023-52669 https://www.cve.org/CVERecord?id=CVE-2023-52669 Référence CVE CVE-2023-52670 https://www.cve.org/CVERecord?id=CVE-2023-52670 Référence CVE CVE-2023-52672 https://www.cve.org/CVERecord?id=CVE-2023-52672 Référence CVE CVE-2023-52675 https://www.cve.org/CVERecord?id=CVE-2023-52675 Référence CVE CVE-2023-52683 https://www.cve.org/CVERecord?id=CVE-2023-52683 Référence CVE CVE-2023-52686 https://www.cve.org/CVERecord?id=CVE-2023-52686 Référence CVE CVE-2023-52693 https://www.cve.org/CVERecord?id=CVE-2023-52693 Référence CVE CVE-2023-52699 https://www.cve.org/CVERecord?id=CVE-2023-52699 Référence CVE CVE-2023-52735 https://www.cve.org/CVERecord?id=CVE-2023-52735 Référence CVE CVE-2023-52737 https://www.cve.org/CVERecord?id=CVE-2023-52737 Référence CVE CVE-2023-52743 https://www.cve.org/CVERecord?id=CVE-2023-52743 Référence CVE CVE-2023-52749 https://www.cve.org/CVERecord?id=CVE-2023-52749 Référence CVE CVE-2023-52750 https://www.cve.org/CVERecord?id=CVE-2023-52750 Référence CVE CVE-2023-52751 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0577Multiples vulnérabilités dans le noyau Linux de Red Hat

rd?id=CVE-2023-5090 Référence CVE CVE-2023-52434 https://www.cve.org/CVERecord?id=CVE-2023-52434 Référence CVE CVE-2023-52464 https://www.cve.org/CVERecord?id=CVE-2023-52464 Référence CVE CVE-2023-52560 https://www.cve.org/CVERecord?id=CVE-2023-52560 Référence CVE CVE-2023-52615 https://www.cve.org/CVERecord?id=CVE-2023-52615 Référence CVE CVE-2023-52626 https://www.cve.org/CVERecord?id=CVE-2023-52626 Référence CVE CVE-2023-52667 https://www.cve.org/CVERecord?id=CVE-2023-52667 Référence CVE CVE-2023-52669 https://www.cve.org/CVERecord?id=CVE-2023-52669 Référence CVE CVE-2023-52675 https://www.cve.org/CVERecord?id=CVE-2023-52675 Référence CVE CVE-2023-52686 https://www.cve.org/CVERecord?id=CVE-2023-52686 Référence CVE CVE-2023-52700 https://www.cve.org/CVERecord?id=CVE-2023-52700 Référence CVE CVE-2023-52703 https://www.cve.org/CVERecord?id=CVE-2023-52703 Référence CVE CVE-2023-52781 https://www.cve.org/CVERecord?id=CVE-2023-52781 Référence CVE CVE-2023-52813 https://www.cve.org/CVERecord?id=CVE-2023-52813 Référence CVE CVE-2023-52835 https://www.cve.org/CVERecord?id=CVE-2023-52835 Référence CVE CVE-2023-52877 https://www.cve.org/CVERecord?id=CVE-2023-52877 Référence CVE CVE-2023-52878 https://www.cve.org/CVERecord?id=CVE-2023-52878 Référence CVE CVE-2023-52881 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0527Multiples vulnérabilités dans le noyau Linux de Debian LTS

d?id=CVE-2023-52644 Référence CVE CVE-2023-52650 https://www.cve.org/CVERecord?id=CVE-2023-52650 Référence CVE CVE-2023-52656 https://www.cve.org/CVERecord?id=CVE-2023-52656 Référence CVE CVE-2023-52669 https://www.cve.org/CVERecord?id=CVE-2023-52669 Référence CVE CVE-2023-52670 https://www.cve.org/CVERecord?id=CVE-2023-52670 Référence CVE CVE-2023-52672 https://www.cve.org/CVERecord?id=CVE-2023-52672 Référence CVE CVE-2023-52675 https://www.cve.org/CVERecord?id=CVE-2023-52675 Référence CVE CVE-2023-52679 https://www.cve.org/CVERecord?id=CVE-2023-52679 Référence CVE CVE-2023-52683 https://www.cve.org/CVERecord?id=CVE-2023-52683 Référence CVE CVE-2023-52686 https://www.cve.org/CVERecord?id=CVE-2023-52686 Référence CVE CVE-2023-52690 https://www.cve.org/CVERecord?id=CVE-2023-52690 Référence CVE CVE-2023-52691 https://www.cve.org/CVERecord?id=CVE-2023-52691 Référence CVE CVE-2023-52693 https://www.cve.org/CVERecord?id=CVE-2023-52693 Référence CVE CVE-2023-52694 https://www.cve.org/CVERecord?id=CVE-2023-52694 Référence CVE CVE-2023-52696 https://www.cve.org/CVERecord?id=CVE-2023-52696 Référence CVE CVE-2023-52698 https://www.cve.org/CVERecord?id=CVE-2023-52698 Référence CVE CVE-2023-52699 https://www.cve.org/CVERecord?id=CVE-2023-52699 Référence CVE CVE-2023-52880 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0526Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2023-52674 Référence CVE CVE-2023-52675 https://www.cve.org/CVERecord?id=CVE-2023-52675 Référence CVE CVE-2023-52676 https://www.cve.org/CVERecord?id=CVE-2023-52676 Référence CVE CVE-2023-52678 https://www.cve.org/CVERecord?id=CVE-2023-52678 Référence CVE CVE-2023-52679 https://www.cve.org/CVERecord?id=CVE-2023-52679 Référence CVE CVE-2023-52680 https://www.cve.org/CVERecord?id=CVE-2023-52680 Référence CVE CVE-2023-52681 https://www.cve.org/CVERecord?id=CVE-2023-52681 Référence CVE CVE-2023-52683 https://www.cve.org/CVERecord?id=CVE-2023-52683 Référence CVE CVE-2023-52685 https://www.cve.org/CVERecord?id=CVE-2023-52685 Référence CVE CVE-2023-52686 https://www.cve.org/CVERecord?id=CVE-2023-52686 Référence CVE CVE-2023-52687 https://www.cve.org/CVERecord?id=CVE-2023-52687 Référence CVE CVE-2023-52690 https://www.cve.org/CVERecord?id=CVE-2023-52690 Référence CVE CVE-2023-52691 https://www.cve.org/CVERecord?id=CVE-2023-52691 Référence CVE CVE-2023-52692 https://www.cve.org/CVERecord?id=CVE-2023-52692 Référence CVE CVE-2023-52693 https://www.cve.org/CVERecord?id=CVE-2023-52693 Référence CVE CVE-2023-52694 https://www.cve.org/CVERecord?id=CVE-2023-52694 Référence CVE CVE-2023-52695 https://www.cve.org/CVERecord?id=CVE-2023-52695 Référence CVE CVE-2023-52696 https://www.cve.org/CVERecord?id=

Official advisory ↗
CERT-FR · French · CERTFR-2024-AVI-0496Multiples vulnérabilités dans le noyau Linux de SUSE

d?id=CVE-2023-52669 Référence CVE CVE-2023-52671 https://www.cve.org/CVERecord?id=CVE-2023-52671 Référence CVE CVE-2023-52674 https://www.cve.org/CVERecord?id=CVE-2023-52674 Référence CVE CVE-2023-52676 https://www.cve.org/CVERecord?id=CVE-2023-52676 Référence CVE CVE-2023-52678 https://www.cve.org/CVERecord?id=CVE-2023-52678 Référence CVE CVE-2023-52679 https://www.cve.org/CVERecord?id=CVE-2023-52679 Référence CVE CVE-2023-52680 https://www.cve.org/CVERecord?id=CVE-2023-52680 Référence CVE CVE-2023-52683 https://www.cve.org/CVERecord?id=CVE-2023-52683 Référence CVE CVE-2023-52685 https://www.cve.org/CVERecord?id=CVE-2023-52685 Référence CVE CVE-2023-52686 https://www.cve.org/CVERecord?id=CVE-2023-52686 Référence CVE CVE-2023-52690 https://www.cve.org/CVERecord?id=CVE-2023-52690 Référence CVE CVE-2023-52691 https://www.cve.org/CVERecord?id=CVE-2023-52691 Référence CVE CVE-2023-52692 https://www.cve.org/CVERecord?id=CVE-2023-52692 Référence CVE CVE-2023-52693 https://www.cve.org/CVERecord?id=CVE-2023-52693 Référence CVE CVE-2023-52694 https://www.cve.org/CVERecord?id=CVE-2023-52694 Référence CVE CVE-2023-52696 https://www.cve.org/CVERecord?id=CVE-2023-52696 Référence CVE CVE-2023-52698 https://www.cve.org/CVERecord?id=CVE-2023-52698 Référence CVE CVE-2023-52699 https://www.cve.org/CVERecord?id=

Official advisory ↗
JVN iPedia · Japanese · JVNDB-2023-028227Linux の Linux Kernel 等複数ベンダの製品における NULL ポインタデリファレンスに関する脆弱性

Linux の Linux Kernel 等複数ベンダの製品には、NULL ポインタデリファレンスに関する脆弱性が存在します。

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.
Patch available
Affected
Fixed
Action
For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 The system must be rebooted for this update to take effect.
Workaround
No verified workaround is recorded. Limit untrusted access and use least privilege until authoritative guidance is available.
04

Evidence and provenance

Published 17 May 2024 · Last source change 11 May 2026, 19:31 UTC · CWE-476 · NULL Pointer Dereference

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-2023-57310
Product sourceVendor CSAF · Red Hat Product Security
Remediation sourceVendor CSAF · Red Hat Product Security
CWE sourceNIST NVD
NVD statusNVD enriched

Core structured fields are present and their contributing authorities are shown above.

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.

Material fields only · duplicate refreshes suppressed · history retained for the configured operational retention period
CVE published
Fixed release or patch reference recorded
ENISA EUVD · EUVD-2023-57310↗Vendor CSAF · Red Hat Product Security↗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.
Free version - for non-commercial use only.CVE-2023-52686 · cve.blacktree.nl