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CVE-2025-38729

ALSA: usb-audio: Validate UAC3 power domain descriptors, too

EPSS 0.2%
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Validate UAC3 power domain descriptors, too UAC3 power domain descriptors need to be verified with its variable bLength for avoiding the unexpected OOB accesses by malicious firmware, too.
Affected products
Linux · Linux

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References
https://cert-portal.siemens.com/productcert/html/ssa-032379.htmlhttps://git.kernel.org/stable/c/07c8d78dbb5e0ff8b23f7fd69cd1d4e2ba22b3dchttps://git.kernel.org/stable/c/1666207ba0a5973735ef010812536adde6174e81https://git.kernel.org/stable/c/29b415ec09f5b9d1dfa2423b826725a8c8796b9ahttps://git.kernel.org/stable/c/40714daf4d0448e1692c78563faf0ed0f9d9b5c7https://git.kernel.org/stable/c/452ad54f432675982cc0d6eb6c40a6c86ac61dbdhttps://git.kernel.org/stable/c/cd08d390d15b204cac1d3174f5f149a20c52e61ahttps://git.kernel.org/stable/c/d832ccbc301fbd9e5a1d691bdcf461cdb514595fhttps://git.kernel.org/stable/c/ebc9e06b6ea978a20abf9b87d41afc51b2d745achttps://git.kernel.org/stable/c/f03418bb9d542f44df78eec2eff4ac83c0a8ac0dhttps://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html