🛡️ CVE-2025-39813 on Ubuntu 22.04 (Root.io) — linux

🟢 CVSS 2.0 — Low ✅ No Known Exploit OSV

2.0

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

CVE-2025-39813 in linux - Patched by Root

Root has patched CVE-2025-39813 in the linux package for Root:Ubuntu:22.04. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2025-39813 as tracked by Ubuntu 22.04 (Root.io), for the package linux. The fix is available in version 5.15.0-187.197.aikido.112; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

ROOT-OS-UBUNTU-2204-CVE-2025-39813 is classified as CWE-362: Race Condition. Concurrent operations share state without proper synchronisation, so timing decides whether the result is correct.

Affected software

ROOT-OS-UBUNTU-2204-CVE-2025-39813 is recorded against 2 packages.

linux (fixed in 5.15.0-187.197.aikido.112)
rootio-linux (fixed in 5.15.0-187.197.aikido.112)

Timeline and source

Published on 12 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

CVE-2025-39813 on other distributions

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

BellSoft Base record Debian Debian 11 (Root.io)Ubuntu 24.04 (Root.io)Ubuntu

Details

Severity LOW

CVSS Score 2.0

CVSS Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2026-08-12

Updated 2026-08-20

Modified 2026-08-12

Fix URL N/A

Affected Packages

Software	From version	Fixed in
linux	—	5.15.0-187.197.aikido.112
rootio-linux	—	5.15.0-187.197.aikido.112

References

N/A

🔗 NVD 🔗 Mitre

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