Vulnerability · Published Apr 10, 2026 · Assigned by mitre
CVE-2026-40225
Medium 6.4
In plain English
A medium-severity security flaw in systemd from systemd. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.1%top 96.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In udev in systemd before 260, local root execution can occur via malicious hardware devices and unsanitized kernel output.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | systemd | 252.39-1~deb12u2 | DEBIAN-CVE-2026-40225 |
| Debian:13 | systemd | 257.13-1~deb13u1 | DEBIAN-CVE-2026-40225 |
| Debian:14 | systemd | 260~rc4-1 | DEBIAN-CVE-2026-40225 |
| Ubuntu:22.04:LTS | systemd | 249.11-0ubuntu3.19 | UBUNTU-CVE-2026-40225 |
| Ubuntu:24.04:LTS | systemd | 255.4-1ubuntu8.14 | UBUNTU-CVE-2026-40225 |
| Ubuntu:25.10 | systemd | 257.9-0ubuntu2.3 | UBUNTU-CVE-2026-40225 |
Affected products (as reported)
Weakness: CWE-669 · Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H