CVE-2025-38340: firmware: cs_dsp: Fix OOB memory read access in KUnit test

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-10 · updated 2026-06-17
Weakness: CWE-125

Description

In the Linux kernel, the following vulnerability has been resolved: firmware: cs_dsp: Fix OOB memory read access in KUnit test KASAN reported out of bounds access - cs_dsp_mock_bin_add_name_or_info(), because the source string length was rounded up to the allocation size.

Affected products

Linux kernel: from 6.14 before 6.15.4 — fixed in 6.15.4

How to fix

Upgrade to a fixed version: Linux kernel 6.15.4. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/8f4cc454a0bb45b800bc7817c09c8f72e31901f3
https://git.kernel.org/stable/c/fe6446215bfad11cf3b446f38b28dc7708973c25

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