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

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Summary

CVECVE-2025-38729
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-09-04 16:15:43 UTC
Updated2026-05-12 13:17:03 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-787

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 9a2fe9b801f585baccf8352d82839dcd54b300cf 1666207ba0a5973735ef010812536adde6174e81 git Not specified
CNA Linux Linux affected 9a2fe9b801f585baccf8352d82839dcd54b300cf ebc9e06b6ea978a20abf9b87d41afc51b2d745ac git Not specified
CNA Linux Linux affected 9a2fe9b801f585baccf8352d82839dcd54b300cf f03418bb9d542f44df78eec2eff4ac83c0a8ac0d git Not specified
CNA Linux Linux affected 9a2fe9b801f585baccf8352d82839dcd54b300cf 40714daf4d0448e1692c78563faf0ed0f9d9b5c7 git Not specified
CNA Linux Linux affected 9a2fe9b801f585baccf8352d82839dcd54b300cf 07c8d78dbb5e0ff8b23f7fd69cd1d4e2ba22b3dc git Not specified
CNA Linux Linux affected 9a2fe9b801f585baccf8352d82839dcd54b300cf cd08d390d15b204cac1d3174f5f149a20c52e61a git Not specified
CNA Linux Linux affected 9a2fe9b801f585baccf8352d82839dcd54b300cf 29b415ec09f5b9d1dfa2423b826725a8c8796b9a git Not specified
CNA Linux Linux affected 9a2fe9b801f585baccf8352d82839dcd54b300cf 452ad54f432675982cc0d6eb6c40a6c86ac61dbd git Not specified
CNA Linux Linux affected 9a2fe9b801f585baccf8352d82839dcd54b300cf d832ccbc301fbd9e5a1d691bdcf461cdb514595f git Not specified
CNA Linux Linux affected 4.17 Not specified
CNA Linux Linux unaffected 4.17 semver Not specified
CNA Linux Linux unaffected 5.4.297 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.241 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.190 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.149 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.103 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.43 6.12.* semver Not specified
CNA Linux Linux unaffected 6.15.11 6.15.* semver Not specified
CNA Linux Linux unaffected 6.16.2 6.16.* semver Not specified
CNA Linux Linux unaffected 6.17 * original_commit_for_fix Not specified
ADP Siemens SIMATIC CN 4100 affected V5.0 custom Not specified

References

ReferenceSourceLinkTags
lists.debian.org/debian-lts-announce/2025/10/msg00008.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
git.kernel.org/stable/c/40714daf4d0448e1692c78563faf0ed0f9d9b5c7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/f03418bb9d542f44df78eec2eff4ac83c0a8ac0d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/1666207ba0a5973735ef010812536adde6174e81 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/cd08d390d15b204cac1d3174f5f149a20c52e61a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
cert-portal.siemens.com/productcert/html/ssa-032379.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
git.kernel.org/stable/c/452ad54f432675982cc0d6eb6c40a6c86ac61dbd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/d832ccbc301fbd9e5a1d691bdcf461cdb514595f 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/29b415ec09f5b9d1dfa2423b826725a8c8796b9a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/07c8d78dbb5e0ff8b23f7fd69cd1d4e2ba22b3dc 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/10/msg00007.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
git.kernel.org/stable/c/ebc9e06b6ea978a20abf9b87d41afc51b2d745ac 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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