Description
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 kernel; debian: debian linux
References10
- git.kernel.org/stable/c/07c8d78dbb5e0ff8b23f7fd69cd1d4e2ba22b3dc Patch
- git.kernel.org/stable/c/1666207ba0a5973735ef010812536adde6174e81 Patch
- git.kernel.org/stable/c/29b415ec09f5b9d1dfa2423b826725a8c8796b9a Patch
- git.kernel.org/stable/c/40714daf4d0448e1692c78563faf0ed0f9d9b5c7 Patch
- git.kernel.org/stable/c/452ad54f432675982cc0d6eb6c40a6c86ac61dbd Patch
- git.kernel.org/stable/c/cd08d390d15b204cac1d3174f5f149a20c52e61a Patch
- git.kernel.org/stable/c/d832ccbc301fbd9e5a1d691bdcf461cdb514595f Patch
- git.kernel.org/stable/c/ebc9e06b6ea978a20abf9b87d41afc51b2d745ac Patch
- git.kernel.org/stable/c/f03418bb9d542f44df78eec2eff4ac83c0a8ac0d Patch
- lists.debian.org/debian-lts-announce/2025/10/msg00007.html Mailing ListThird Party Advisory
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 10 · as of 8 November 2026
- CWE
- CWE-787
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.