CVE-2023-52987: ASoC: SOF: ipc4-mtrace: prevent underflow in sof_ipc4_priority_mask_dfs_write()

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-03-27 · updated 2026-10-15
Weakness: CWE-129

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: ipc4-mtrace: prevent underflow in sof_ipc4_priority_mask_dfs_write() The "id" comes from the user. Change the type to unsigned to prevent an array underflow.

Affected products

Linux kernel: from 6.1 before 6.1.11; 6.2-rc1, 6.2-rc2, 6.2-rc3, 6.2-rc4, 6.2-rc5, 6.2-rc6 — fixed in 6.1.11

How to fix

Upgrade to a fixed version: Linux kernel 6.1.11. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/d52f34784e4e2f6e77671a9f104d8a69a3b5d24c
https://git.kernel.org/stable/c/ea57680af47587397f5005d7758022441ed66d54

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