CVE-2025-38729

CVE-2025-38729: vulnerability in Linux

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

Published · Updated

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.2%
exploitation probability
0.2%top 92% of all CVEs
observed exploitation
nono source reports it
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
Related CVEs — Linux

In the same product, most dangerous first.

CVE-2024-53197HIGHALSA: usb-audio: Fix potential out-of-bound accesses for Extigy and Mbox devicesEPSS 4.1%KEVCVE-2026-31431HIGHcrypto: algif_aead - Revert to operating out-of-placeEPSS 3.4%KEVCVE-2024-53104HIGHmedia: uvcvideo: Skip parsing frames of type UVC_VS_UNDEFINED in uvc_parse_formatEPSS 3.4%KEVCVE-2025-39682CRITICALtls: fix handling of zero-length records on the rx_listEPSS 2.9%KEVCVE-2024-36971HIGHnet: fix __dst_negative_advice() raceEPSS 2.7%KEVCVE-2025-39964HIGHcrypto: af_alg - Disallow concurrent writes in af_alg_sendmsgEPSS 1.4%KEV
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