CVE-2025-38329: firmware: cs_dsp: Fix OOB memory read access in KUnit test (wmfw info)

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 (wmfw info) KASAN reported out of bounds access - cs_dsp_mock_wmfw_add_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/0000a2303ba78b6424ff15b5085b5f5098750a2e
https://git.kernel.org/stable/c/d979b783d61f7f1f95664031b71a33afc74627b2

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