CVE-2025-39757

HIGH EPSS 5.9%
Published Sep 11, 20259mo ago · Modified Jun 17, 20261w ago
7.1 CVSS 3.1
High
Find Similar
Published Sep 11, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

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 Details

Base Score
7.1
Exploitability
1.8
Impact
5.2
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
5.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-125 Out-of-bounds Read Memory Safety

Affected Products 10

VendorProductVersionRange
linuxlinux_kernel*≥4.19  –  <5.4.297
linuxlinux_kernel*≥5.5  –  <5.10.241
linuxlinux_kernel*≥5.11  –  <5.15.190
linuxlinux_kernel*≥5.16  –  <6.1.149
linuxlinux_kernel*≥6.2  –  <6.6.103
linuxlinux_kernel*≥6.7  –  <6.12.43
linuxlinux_kernel*≥6.13  –  <6.15.11
linuxlinux_kernel*≥6.16  –  <6.16.2
linuxlinux_kernel6.17any
debiandebian_linux11.0any

References 12

  • cert-portal.siemens.com https://cert-portal.siemens.com/productcert/html/ssa-032379.html
  • git.kernel.org https://git.kernel.org/stable/c/1034719fdefd26caeec0a44a868bb5a412c2c1a5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/275e37532e8ebe25e8a4069b2d9f955bfd202a46
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/47ab3d820cb0a502bd0074f83bb3cf7ab5d79902
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/786571b10b1ae6d90e1242848ce78ee7e1d493c4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/799c06ad4c9c790c265e8b6b94947213f1fb389c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7ef3fd250f84494fb2f7871f357808edaa1fc6ce
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ae17b3b5e753efc239421d186cd1ff06e5ac296e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dfdcbcde5c20df878178245d4449feada7d5b201
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ecfd41166b72b67d3bdeb88d224ff445f6163869
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
    Mailing ListThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
    Mailing ListThird Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1034719fdefd26caeec0a44a868bb5a412c2c1a5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/275e37532e8ebe25e8a4069b2d9f955bfd202a46
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/47ab3d820cb0a502bd0074f83bb3cf7ab5d79902
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/786571b10b1ae6d90e1242848ce78ee7e1d493c4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/799c06ad4c9c790c265e8b6b94947213f1fb389c
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7ef3fd250f84494fb2f7871f357808edaa1fc6ce
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ae17b3b5e753efc239421d186cd1ff06e5ac296e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dfdcbcde5c20df878178245d4449feada7d5b201
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ecfd41166b72b67d3bdeb88d224ff445f6163869
    Patch