Vulnerability in Linux

CVE-2025-40045

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: wcd937x: set the comp soundwire port correctly For some reason we endup with setting soundwire port for HPHL_COMP and HPHR_COMP as zero, this can potentially result in a memory corruption due to accessing and setting -1 th element of port_map array.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (5.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 5.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-40045: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions 82be8c62a38c6a44e64ecb29d7a9b5cb35c6cad4, 6.11, 0

References

Frequently asked questions

What is CVE-2025-40045?
CVE-2025-40045 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2025-10-28.
How severe is CVE-2025-40045?
High severity. CVSS v3 base score is 7.8 out of 10.