CVE-2025-39757

Advisory lineage Upstream: 0 Downstream: 61
Modified
Published: 11 Sept 2025, 16:52
Last modified:12 May 2026, 12:06

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7.1 HIGH
v3.1 (nvd)
EPSS Score
0.02% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

11 Sept 2025, 16:52
Published
Vulnerability first disclosed
12 May 2026, 12:06
Last Modified
Vulnerability information updated

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 Metrics

  • v3.1•HIGH•Score: 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS Trends

Current EPSS score: 0.02%• Percentile: 6%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • debian•debian_linux

    11.0

  • linux•linux

    ≥ 11785ef53228d23ec386f5fe4a34601536f0c891, < 799c06ad4c9c790c265e8b6b94947213f1fb389c | ≥ 11785ef53228d23ec386f5fe4a34601536f0c891, < 786571b10b1ae6d90e1242848ce78ee7e1d493c4 | ≥ 11785ef53228d23ec386f5fe4a34601536f0c891, < 275e37532e8ebe25e8a4069b2d9f955bfd202a46 | ≥ 11785ef53228d23ec386f5fe4a34601536f0c891, < 47ab3d820cb0a502bd0074f83bb3cf7ab5d79902 | ≥ 11785ef53228d23ec386f5fe4a34601536f0c891, < 1034719fdefd26caeec0a44a868bb5a412c2c1a5 | ≥ 11785ef53228d23ec386f5fe4a34601536f0c891, < ae17b3b5e753efc239421d186cd1ff06e5ac296e | ≥ 11785ef53228d23ec386f5fe4a34601536f0c891, < dfdcbcde5c20df878178245d4449feada7d5b201 | ≥ 11785ef53228d23ec386f5fe4a34601536f0c891, < 7ef3fd250f84494fb2f7871f357808edaa1fc6ce | ≥ 11785ef53228d23ec386f5fe4a34601536f0c891, < ecfd41166b72b67d3bdeb88d224ff445f6163869 | 4.19

  • linux•linux_kernel

    ≥ 4.19, < 5.4.297 | ≥ 5.5, < 5.10.241 | ≥ 5.11, < 5.15.190 | ≥ 5.16, < 6.1.149 | ≥ 6.2, < 6.6.103 | ≥ 6.7, < 6.12.43 | ≥ 6.13, < 6.15.11 | ≥ 6.16, < 6.16.2 | 6.17:rc1

References (12)