Medium severity5.5NVD Advisory· Published Sep 11, 2025· Updated Jun 17, 2026

CVE-2025-39777

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.

Affected products

Linux/Kernelllm-fuzzy2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: 6.16
osv-coords
pkg:linux/kernel
Range: >= 6.16.0, < 6.16.4

Patches

Vulnerability mechanics

References

git.kernel.org/stable/c/7ec68c59461ca846aab9b7c2b39f63ac7c8a43cfnvdPatch
git.kernel.org/stable/c/962ddc5a7a4b04c007bba0f3e7298cda13c62efdnvdPatch

News mentions

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