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🛡️ CVE-2023-54091 — kernel

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

Description

drm/client: Fix memory leak in drm_client_target_cloned

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

drm/client: Fix memory leak in drm_client_target_cloned

dmt_mode is allocated and never freed in this function.

It was found with the ast driver, but most drivers using generic fbdev

setup are probably affected.

This fixes the following kmemleak report:

backtrace:

[<00000000b391296d>] drm_mode_duplicate+0x45/0x220 [drm]

[<00000000e45bb5b3>] drm_client_target_cloned.constprop.0+0x27b/0x480 [drm]

[<00000000ed2d3a37>] drm_client_modeset_probe+0x6bd/0xf50 [drm]

[<0000000010e5cc9d>] __drm_fb_helper_initial_config_and_unlock+0xb4/0x2c0 [drm_kms_helper]

[<00000000909f82ca>] drm_fbdev_client_hotplug+0x2bc/0x4d0 [drm_kms_helper]

[<00000000063a69aa>] drm_client_register+0x169/0x240 [drm]

[<00000000a8c61525>] ast_pci_probe+0x142/0x190 [ast]

[<00000000987f19bb>] local_pci_probe+0xdc/0x180

[<000000004fca231b>] work_for_cpu_fn+0x4e/0xa0

[<0000000000b85301>] process_one_work+0x8b7/0x1540

[<000000003375b17c>] worker_thread+0x70a/0xed0

[<00000000b0d43cd9>] kthread+0x29f/0x340

[<000000008d770833>] ret_from_fork+0x1f/0x30

unreferenced object 0xff11000333089a00 (size 128):

Affected software

CVE-2023-54091 is recorded against 2 packages.

  • kernel (from 6.2.0 up to 6.4.7)
  • unknown

Timeline and source

Published on 24 December 2025 and last revised on 12 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
git.kernel.org (Web)
github.com (Advisory)
nvd.nist.gov (Advisory)
git.kernel.org (Package)

Other advisories for this package

kernel has other advisories on record. If you are patching this one, these are worth checking on the same host:

CVE-2023-54091 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2025-12-24
Updated 2026-08-20
Modified 2026-08-12
Fix URL N/A

Affected Packages

Software From version Fixed in
kernel 6.2.0 6.4.7
unknown — —

References

Similar Threats

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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