CVE-2025-40063Linux vulnerability

CWE-121115 documents6 sources
Severity
6.1MEDIUM
No vector
EPSS
0.0%
top 92.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 28
Latest updateFeb 24

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: comp - Use same definition of context alloc and free ops In commit 42d9f6c77479 ("crypto: acomp - Move scomp stream allocation code into acomp"), the crypto_acomp_streams struct was made to rely on having the alloc_ctx and free_ctx operations defined in the same order as the scomp_alg struct. But in that same commit, the alloc_ctx and free_ctx members of scomp_alg may be randomized by structure layout randomization, si

Affected Packages5 packages

Linuxlinux/linux_kernel6.16.06.17.3
Debianlinux/linux_kernel< 6.17.6-1
Ubuntulinux/linux_kernel< 6.17.0-14.14
CVEListV5linux/linux42d9f6c774790d290c175e8775ce9f1366438098779d3b6f2d32c5f1da6163e959abe1e1ffe2945b+2
debiandebian/linux< linux 6.17.6-1 (forky)

🔴Vulnerability Details

8
OSV
linux-azure vulnerabilities2026-02-24
OSV
linux-oem-6.17 vulnerabilities2026-02-17
OSV
linux-aws, linux-oracle vulnerabilities2026-02-17
OSV
linux-gcp vulnerabilities2026-02-12
OSV
linux, linux-raspi, linux-realtime vulnerabilities2026-02-12

📋Vendor Advisories

6
Ubuntu
Linux kernel (Azure) vulnerabilities2026-02-24
Ubuntu
Linux kernel (OEM) vulnerabilities2026-02-17
Ubuntu
Linux kernel (GCP) vulnerabilities2026-02-12
Ubuntu
Linux kernel vulnerabilities2026-02-12
Red Hat
kernel: crypto: comp - Use same definition of context alloc and free ops2025-10-28