🛡️ CVE-2025-40121 on Ubuntu 24.04 (Root.io) — linux

🟡 CVSS 5.0 — Medium ✅ No Known Exploit OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2025-40121 in linux - Patched by Root

Root has patched CVE-2025-40121 in the linux package for Root:Ubuntu:24.04. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2025-40121 as tracked by Ubuntu 24.04 (Root.io), for the package linux. The fix is available in version 6.8.0-137.137.aikido.85; earlier versions remain affected.

Affected software

ROOT-OS-UBUNTU-2404-CVE-2025-40121 is recorded against 2 packages.

  • linux (fixed in 6.8.0-137.137.aikido.85)
  • rootio-linux (fixed in 6.8.0-137.137.aikido.85)

Timeline and source

Published on 6 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

CVE-2025-40121 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity MEDIUM
CVSS Score 5.0
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-08-06
Updated 2026-08-12
Modified 2026-08-06
Fix URL N/A

Affected Packages

Software From version Fixed in
linux — 6.8.0-137.137.aikido.85
rootio-linux — 6.8.0-137.137.aikido.85

References

N/A

Similar Threats

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