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Fencer Vulns
high 7.2

CVE-2009-1185 in the critical feed json

udev before 1.4.1 does not verify whether a NETLINK message originates from kernel space, which allows local users to gain privileges by se…

published 2009-04-17 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1185

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
80.5%
EPSS 80.5% chance of exploitation in 30 days, percentile 99.6%
public exploits
4
Metasploit, Exploit-DB

Summary

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.

Patch / fix

  • udev_project udev 141
  • juniper ctpview 7.1
  • udev RHEL 5 095-14.20.el5_3
  • libvolume_id RHEL 5 095-14.20.el5_3

red hat advisories RHSA-2009:0427

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2009-1185 updated cvss 7.2

udev: Uncheck origin of NETLINK messages

  • Red Hat Enterprise Linux (v. 5 server) udev 095-14.20.el5_3, libvolume_id 095-14.20.el5_3 Red Hat Enterprise Linux Desktop (v. 5 client) udev 095-14.20.el5_3, libvolume_id 095-14.20.el5_3 Red Hat Enterprise Linux Desktop Workstation (v. 5 client) udev 095-14.20.el5_3, libvolume_id 095-14.20.el5_3
    fixed: vendor fix RHSA-2009:0427

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (Metasploit exploit/linux/local/udev_netlink)
  2. Published

Exploit prediction

80.55% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Metasploit exploit/linux/local/udev_netlink Linux udev Netlink Local Privilege Escalation metasploit exploit, great rank, 2009-04-16
  • EDB-21848 Linux Kernel UDEV < 1.4.1 - 'Netlink' Local Privilege Escalation (Metasploit) local, 2012-10-10
  • EDB-8572 Linux Kernel 2.6 (Gentoo / Ubuntu 8.10/9.04) UDEV < 1.4.1 - Local Privilege Escalation (2) local, 2009-04-30
  • EDB-8478 Linux Kernel 2.6 (Debian 4.0 / Ubuntu / Gentoo) UDEV < 1.4.1 - Local Privilege Escalation (1) local, 2009-04-20

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.