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CVE-2022-49288 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix races among concurrent prealloc proc writes We have no protection against concurrent PCM buffer preallocation changes via proc files, and it may potentially lead to UAF or some weird problem. This patch applies the PCM open_mutex to the proc write operation for avoiding the racy proc writes and the PCM stream open (and further operations).


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/37b12c16beb6f6c1c3c678c1aacbc46525c250f7 Patch 
https://git.kernel.org/stable/c/51fce708ab8986a9879ee5da946a2cc120f1036d Patch 
https://git.kernel.org/stable/c/5ed8f8e3c4e59d0396b9ccf2e639711e24295bb6 Patch 
https://git.kernel.org/stable/c/69534c48ba8ce552ce383b3dfdb271ffe51820c3 Patch 
https://git.kernel.org/stable/c/a21d2f323b5a978dedf9ff1d50f101f85e39b3f2 Patch 
https://git.kernel.org/stable/c/b560d670c87d7d40b3cf6949246fa4c7aa65a00a Patch 
https://git.kernel.org/stable/c/e14dca613e0a6ddc2bf6e360f16936a9f865205b Patch 
https://git.kernel.org/stable/c/e7786c445bb67a9a6e64f66ebd6b7215b153ff7d Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2022-49288
NVD Published Date:
02/26/2025
NVD Last Modified:
03/25/2025
Source:
kernel.org