udev before 1.4.1 does not verify whether a NETLINK message originates from kernel space, which allows local users to gain privileges by sending a NETLINK message from user space.
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Score elevated to 9.0 because EPSS predicts 90% probability of exploitation within the next 30 days (top 0.4% of all CVEs). Confidence: see factors.
udev before 1.4.1 does not verify whether a NETLINK message originates from kernel space, which allows local users to gain privileges by sending a NETLINK message from user space.
April 17, 2009
April 23, 2026
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | udev (124-9ubuntu0.2) @ intrepid | 2026-05-30 | ubuntu |
| redhat | udev-0:095-14.20.el5_3 | 2009-04-16 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
Working exploit code is in the public domain (1 Metasploit module) (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
Linux Kernel UDEV < 1.4.1 - 'Netlink' Local Privilege Escalation (Metasploit)
Open source ↗Linux Kernel 2.6 (Gentoo / Ubuntu 8.10/9.04) UDEV < 1.4.1 - Local Privilege Escalation (2)
Open source ↗Linux Kernel 2.6 (Debian 4.0 / Ubuntu / Gentoo) UDEV < 1.4.1 - Local Privilege Escalation (1)
Open source ↗Linux udev Netlink Local Privilege Escalation
Open source ↗See which npm, PyPI, Go, and Maven packages are affected by CVE-2009-1185
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redhat
CWE-20 · CWE-346