Unrated severityNVD Advisory· Published Sep 18, 2025· Updated Jan 14, 2026
ALSA: hda: Fix Oops by 9.1 surround channel names
CVE-2023-53400
Description
In the Linux kernel, the following vulnerability has been resolved:
ALSA: hda: Fix Oops by 9.1 surround channel names
get_line_out_pfx() may trigger an Oops by overflowing the static array with more than 8 channels. This was reported for MacBookPro 12,1 with Cirrus codec.
As a workaround, extend for the 9.1 channels and also fix the potential Oops by unifying the code paths accessing the same array with the proper size check.
Affected products
2- Linux/Linuxv5Range: 3.9
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- git.kernel.org/stable/c/082dcd51667b29097500c824c37f24da997a6a8amitre
- git.kernel.org/stable/c/3b44ec8c5c44790a82f07e90db45643c762878c6mitre
- git.kernel.org/stable/c/4ef155ddf9578bf035964d58739fdcd7dd44b4a4mitre
- git.kernel.org/stable/c/546b1f5f45a355ae0d3a8041cdaca597dfcac825mitre
- git.kernel.org/stable/c/b5694aae4c2d9a288bafce7d38f122769e0428e6mitre
- git.kernel.org/stable/c/dc8c569d59f17b17d7bca4f68c36bd571659921emitre
- git.kernel.org/stable/c/e8c7d7c43d5edd20e518fe1dfb2371d1fe6e8bb8mitre
- git.kernel.org/stable/c/fcf637461019e9a5a0c12fc5c42a9db1779b0634mitre
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