CVE-2025-39777

CVE-2025-39777

Medium · published September 11, 2025

CVSS v3.1
5.5
EPSS
0%
Percentile
2.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00130 · 2.4th percentile
Published
2025-09-11T21:15Z
Affected products (1)
ProductVersionsFixed in
linux/linux_kernel≥ 6.16, < 6.16.46.16.4
References (2)
https://git.kernel.org/stable/c/7ec68c59461ca846aab9b7c2b39f63ac7c8a43cf · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/962ddc5a7a4b04c007bba0f3e7298cda13c62efd · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 11 SEP 16:56Z
    crypto: acomp - Fix CFI failure due to type punning
    cvelistv5