What’s Vulnerable › Vulnerabilities

CVE-2025-37790: net: mctp: Set SOCK_RCU_FREE

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-01 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: net: mctp: Set SOCK_RCU_FREE Bind lookup runs under RCU, so ensure that a socket doesn't go away in the middle of a lookup.

Affected products

• Debian Linux: 11.0
• Linux kernel: from 5.15 before 5.15.181; from 5.16 before 6.1.135; from 6.2 before 6.6.88; from 6.7 before 6.12.25; from 6.13 before 6.14.4; 6.15-rc1, 6.15-rc2 — fixed in 5.15.181, 6.1.135, 6.12.25, 6.14.4, 6.6.88

How to fix

Upgrade to a fixed version: Linux kernel 5.15.181, 6.1.135, 6.12.25, 6.14.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/3f899bd6dd56ddc46509b526e23a8f0a97712a6d
• https://git.kernel.org/stable/c/52024cd6ec71a6ca934d0cc12452bd8d49850679
• https://git.kernel.org/stable/c/5c1313b93c8c2e3904a48aa88e2fa1db28c607ae
• https://git.kernel.org/stable/c/a8a3b61ce140e2b0a72a779e8d70f60c0cf1e47a
• https://git.kernel.org/stable/c/b9764ebebb007249fb733a131b6110ff333b6616
• https://git.kernel.org/stable/c/e3b5edbdb45924a7d4206d13868a2aac71f1e53d
• https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

Get alerted when CVE-2025-37790 or the next vulnerability affects your stack