CVE-2025-39777 — Linux vulnerability

5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 94.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 11

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel6.16 — 6.16.4
▶Debianlinux/linux_kernel< 6.16.5-1
▶CVEListV5linux/linux42d9f6c774790d290c175e8775ce9f1366438098 — 7ec68c59461ca846aab9b7c2b39f63ac7c8a43cf+2
▶debiandebian/linux< linux 6.16.5-1 (forky)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
OSV
CVE-2025-39777: 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↗2025-09-11
▶
GHSA
GHSA-rqwr-gvf4-rmmh: In the Linux kernel, the following vulnerability has been resolved: crypto: acomp - Fix CFI failure due to type punning To avoid a crash when contro↗2025-09-11
▶

📋Vendor Advisories

2
Red Hat
kernel: crypto: acomp - Fix CFI failure due to type punning↗2025-09-11
▶
Debian
CVE-2025-39777: linux - In the Linux kernel, the following vulnerability has been resolved: crypto: aco...↗2025
▶
CVE-2025-39777 — Linux vulnerability | cvebase