In udev in systemd before 260, local root execution can occur via malicious hardware…
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 1 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
In udev in systemd before 260, local root execution can occur via malicious hardware devices and unsanitized kernel output.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| systemd | systemd | before 260 | 260 | Patch available | CNA |
- systemd Vendorsystemd Affected before 260 Fixed in 260 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* | before 257.13; 258 to before 258.7; 259 to before 259.5 | Vulnerable | systemd |
- cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* Versions before 257.13; 258 to before 258.7; 259 to before 259.5 Vulnerable ·systemd
Remediation
- Fix · CNA systemd (systemd) Fixed in 260
Red Hat 1 advisory
- RHSA-2026:7299 Released 2026-04-09 · Red Hat rating ModerateRed Hat Hardened Images RPMs bug fix and enhancement update
- Red Hat Hardened Images systemd-260.1-2.1.hum1@aarch64, systemd-260.1-2.1.hum1@src, systemd-260.1-2.1.hum1@x86_64 +40
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
systemd 260
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-29031 In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.Priority MEDIUM 64
- TI-2026-29029 Incorrect authorization in systemdPriority LOW 33
- TI-2026-29028 In systemd 258 before 260, a local unprivileged user can trigger an assert when a…Priority LOW 23
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat OpenShift Container Platform 4 | Affected | No fix yet: Fix deferred |
| Red Hat Hardened Images | Fixed | RHSA-2026:7299 |
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4
Timeline
- 2026-10-02 Threatist record created from CVE-2026-40225
- 2026-10-03 Alias added: GHSA-396h-m3pm-fpm5
References
More Systemd vulnerabilities
- TI-2023-11736 systemd before 247 does not adequately block local privilege escalation for some Sudo… CVSS 3.1HIGH 7.8
- TI-2017-06857 In systemd through 233, certain sizes passed to dns_packet_new in systemd-resolved can… CVSS 3.1HIGH 7.5
- TI-2026-29031 In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file. CVSS 3.1MEDIUM 6.4
- TI-2022-04038 Information disclosure in systemd CVSS 3.1MEDIUM 5.5
- TI-2025-04111 Systemd-coredump: race condition that allows a local attacker to crash a suid program and… CVSS 3.1MEDIUM 4.7
- TI-2017-11647 In systemd 223 through 235, a remote DNS server can respond with a custom crafted DNS… CVSS 3.1HIGH 7.5
Sources
- CVE-2026-40225 · CVE Program
- CVE-2026-40225 · NVD
- FIRST EPSS
- GHSA-396h-m3pm-fpm5 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-40225 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences