🛡️ AZL-53831 — kernel

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

Description

CVE-2024-53084 affecting package kernel 6.6.126.1-1

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

drm/imagination: Break an object reference loop

When remaining resources are being cleaned up on driver close,

outstanding VM mappings may result in resources being leaked, due

to an object reference loop, as shown below, with each object (or

set of objects) referencing the object below it:

PVR GEM Object

GPU scheduler "finished" fence

GPU scheduler “scheduled” fence

PVR driver “done” fence

PVR Context

PVR VM Context

PVR VM Mappings

PVR GEM Object

The reference that the PVR VM Context has on the VM mappings is a

soft one, in the sense that the freeing of outstanding VM mappings

is done as part of VM context destruction; no reference counts are

involved, as is the case for all the other references in the loop.

To break the reference loop during cleanup, free the outstanding

VM mappings before destroying the PVR Context associated with the

VM context.

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-53831 is recorded against 1 package.

  • kernel

Timeline and source

Published on 19 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 2024-11-19
Updated 2026-08-12
Modified 2026-04-21
Fix URL N/A

Affected Packages

Software From version Fixed in
kernel — —

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