CVE - CVE-2022-49288

CVE-ID
CVE-2022-49288	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
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).
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/37b12c16beb6f6c1c3c678c1aacbc46525c250f7 URL:https://git.kernel.org/stable/c/37b12c16beb6f6c1c3c678c1aacbc46525c250f7 MISC:https://git.kernel.org/stable/c/51fce708ab8986a9879ee5da946a2cc120f1036d URL:https://git.kernel.org/stable/c/51fce708ab8986a9879ee5da946a2cc120f1036d MISC:https://git.kernel.org/stable/c/5ed8f8e3c4e59d0396b9ccf2e639711e24295bb6 URL:https://git.kernel.org/stable/c/5ed8f8e3c4e59d0396b9ccf2e639711e24295bb6 MISC:https://git.kernel.org/stable/c/69534c48ba8ce552ce383b3dfdb271ffe51820c3 URL:https://git.kernel.org/stable/c/69534c48ba8ce552ce383b3dfdb271ffe51820c3 MISC:https://git.kernel.org/stable/c/a21d2f323b5a978dedf9ff1d50f101f85e39b3f2 URL:https://git.kernel.org/stable/c/a21d2f323b5a978dedf9ff1d50f101f85e39b3f2 MISC:https://git.kernel.org/stable/c/b560d670c87d7d40b3cf6949246fa4c7aa65a00a URL:https://git.kernel.org/stable/c/b560d670c87d7d40b3cf6949246fa4c7aa65a00a MISC:https://git.kernel.org/stable/c/e14dca613e0a6ddc2bf6e360f16936a9f865205b URL:https://git.kernel.org/stable/c/e14dca613e0a6ddc2bf6e360f16936a9f865205b MISC:https://git.kernel.org/stable/c/e7786c445bb67a9a6e64f66ebd6b7215b153ff7d URL:https://git.kernel.org/stable/c/e7786c445bb67a9a6e64f66ebd6b7215b153ff7d
Assigning CNA
kernel.org
Date Record Created
20250226	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250226)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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