🛡️ AZL-53723 — kernel

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2024-50187 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved:

drm/vc4: Stop the active perfmon before being destroyed

Upon closing the file descriptor, the active performance monitor is not

stopped. Although all perfmons are destroyed in vc4_perfmon_close_file(),

the active performance monitor's pointer (vc4->active_perfmon) is still

retained.

If we open a new file descriptor and submit a few jobs with performance

monitors, the driver will attempt to stop the active performance monitor

using the stale pointer in vc4->active_perfmon. However, this pointer

is no longer valid because the previous process has already terminated,

and all performance monitors associated with it have been destroyed and

freed.

To fix this, when the active performance monitor belongs to a given

process, explicitly stop it before destroying and freeing it.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

AZL-53723 is recorded against 1 package.

  • kernel

Timeline and source

Published on 8 November 2024 and last revised on 21 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2024-11-08
Updated 2026-08-12
Modified 2026-04-21
Fix URL N/A

Affected Packages

Software From version Fixed in
kernel — —

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