CVE-2023-54072

kernel: Linux kernel: Denial of service or memory corruption due to a data race in ALSA PCM memory allocation

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Severity

Moderate

Red Hat Product Security

6.3

CVSS 3.1

Review impact separately from score.

Published · December 24, 2025

Updated · June 30, 2026

Description

A flaw was found in the Linux kernel. A data race in the Advanced Linux Sound Architecture (ALSA) Pulse-Code Modulation (PCM) memory allocation helpers allows a local user to bypass sanity checks. This can lead to the allocation of more memory than intended, potentially resulting in a denial of service (DoS) or other memory corruption issues.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.3
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H

CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition