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CVE-2025-39757ALSA: usb-audio: Validate UAC3 cluster segment descriptors
- 7.1HighCVSS base score
- 0.19%Exploitation in 30 daysEPSS · top 92% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Validate UAC3 cluster segment descriptors UAC3 class segment descriptors need to be verified whether their sizes match with the declared lengths and whether they fit with the allocated buffer sizes, too. Otherwise malicious firmware may lead to the unexpected OOB accesses.
Timeline
ID reserved
By Linux
- 5 months later
· 5 months later
Published
- 9 months later
· 9 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.19% · top 92% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.1.
Affected products
- affected 11785ef53228d23ec386f5fe4a34601536f0c891 – < 799c06ad4c9c790c265e8b6b94947213f1fb389c
- affected 11785ef53228d23ec386f5fe4a34601536f0c891 – < 786571b10b1ae6d90e1242848ce78ee7e1d493c4
- affected 11785ef53228d23ec386f5fe4a34601536f0c891 – < 275e37532e8ebe25e8a4069b2d9f955bfd202a46
- affected 11785ef53228d23ec386f5fe4a34601536f0c891 – < 47ab3d820cb0a502bd0074f83bb3cf7ab5d79902
- affected 11785ef53228d23ec386f5fe4a34601536f0c891 – < 1034719fdefd26caeec0a44a868bb5a412c2c1a5
- affected 11785ef53228d23ec386f5fe4a34601536f0c891 – < ae17b3b5e753efc239421d186cd1ff06e5ac296e
- affected 11785ef53228d23ec386f5fe4a34601536f0c891 – < dfdcbcde5c20df878178245d4449feada7d5b201
- affected 11785ef53228d23ec386f5fe4a34601536f0c891 – < 7ef3fd250f84494fb2f7871f357808edaa1fc6ce
- affected 11785ef53228d23ec386f5fe4a34601536f0c891 – < ecfd41166b72b67d3bdeb88d224ff445f6163869
- affected 4.19
- unaffected < 4.19
- unaffected 5.4.297 – ≤ 5.4.*
- unaffected 5.10.241 – ≤ 5.10.*
- unaffected 5.15.190 – ≤ 5.15.*
- unaffected 6.1.149 – ≤ 6.1.*
- unaffected 6.6.103 – ≤ 6.6.*
- unaffected 6.12.43 – ≤ 6.12.*
- unaffected 6.15.11 – ≤ 6.15.*
- unaffected 6.16.2 – ≤ 6.16.*
- unaffected 6.17 – ≤ *
References
References12
- https://git.kernel.org/stable/c/799c06ad4c9c790c265e8b6b94947213f1fb389c (opens in a new tab)
- https://git.kernel.org/stable/c/786571b10b1ae6d90e1242848ce78ee7e1d493c4 (opens in a new tab)
- https://git.kernel.org/stable/c/275e37532e8ebe25e8a4069b2d9f955bfd202a46 (opens in a new tab)
- https://git.kernel.org/stable/c/47ab3d820cb0a502bd0074f83bb3cf7ab5d79902 (opens in a new tab)
- https://git.kernel.org/stable/c/1034719fdefd26caeec0a44a868bb5a412c2c1a5 (opens in a new tab)
- https://git.kernel.org/stable/c/ae17b3b5e753efc239421d186cd1ff06e5ac296e (opens in a new tab)
- https://git.kernel.org/stable/c/dfdcbcde5c20df878178245d4449feada7d5b201 (opens in a new tab)
- https://git.kernel.org/stable/c/7ef3fd250f84494fb2f7871f357808edaa1fc6ce (opens in a new tab)
- https://git.kernel.org/stable/c/ecfd41166b72b67d3bdeb88d224ff445f6163869 (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-28955 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-39757)Record last updated .