CVE-2025-39777

kernel: crypto: acomp - Fix CFI failure due to type punning

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · September 11, 2025

Updated · June 30, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

crypto: acomp - Fix CFI failure due to type punning

To avoid a crash when control flow integrity is enabled, make the workspace ("stream") free function use a consistent type, and call it through a function pointer that has that same type.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE not specified