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🛡️ CVE-2023-54072 — kernel

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

Description

ALSA: pcm: Fix potential data race at PCM memory allocation helpers

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

ALSA: pcm: Fix potential data race at PCM memory allocation helpers

The PCM memory allocation helpers have a sanity check against too many

buffer allocations. However, the check is performed without a proper

lock and the allocation isn't serialized; this allows user to allocate

more memories than predefined max size.

Practically seen, this isn't really a big problem, as it's more or

less some "soft limit" as a sanity check, and it's not possible to

allocate unlimitedly. But it's still better to address this for more

consistent behavior.

The patch covers the size check in do_alloc_pages() with the

card->memory_mutex, and increases the allocated size there for

preventing the further overflow. When the actual allocation fails,

the size is decreased accordingly.

Affected software

CVE-2023-54072 is recorded against 2 packages.

  • kernel (from 6.2.0 up to 6.4.4)
  • 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)
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-2023-54072 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 6.4.4
unknown — —

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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