Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.19, < 5.4.297 |
| Debian | Debian Linux | 11.0 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/1034719fdefd26caeec0a44a868bb5a412c2c1a5Patch
- https://git.kernel.org/stable/c/275e37532e8ebe25e8a4069b2d9f955bfd202a46Patch
- https://git.kernel.org/stable/c/47ab3d820cb0a502bd0074f83bb3cf7ab5d79902Patch
- https://git.kernel.org/stable/c/786571b10b1ae6d90e1242848ce78ee7e1d493c4Patch
- https://git.kernel.org/stable/c/799c06ad4c9c790c265e8b6b94947213f1fb389cPatch
- https://git.kernel.org/stable/c/7ef3fd250f84494fb2f7871f357808edaa1fc6cePatch
- https://git.kernel.org/stable/c/ae17b3b5e753efc239421d186cd1ff06e5ac296ePatch
- https://git.kernel.org/stable/c/dfdcbcde5c20df878178245d4449feada7d5b201Patch
- https://git.kernel.org/stable/c/ecfd41166b72b67d3bdeb88d224ff445f6163869Patch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlMailing ListThird Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html
FAQ
What is CVE-2025-39757?
CVE-2025-39757 is a vulnerability with a CVSS score of 7.1 (HIGH). 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 ...
How severe is CVE-2025-39757?
CVE-2025-39757 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-39757?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.