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Fencer Vulns
high 7.2

CVE-2005-0839 json

Linux kernel 2.6 before 2.6.11 does not restrict access to the N_MOUSE line discipline for a TTY, which allows local users to gain privileg…

published 2005-03-23 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-0840

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

Linux kernel 2.6 before 2.6.11 does not restrict access to the N_MOUSE line discipline for a TTY, which allows local users to gain privileges by injecting mouse or keyboard events into other user sessions.

Patch / fix

  • kernel RHEL 4 2.6.9-5.0.5.EL
  • kernel-smp RHEL 4 2.6.9-5.0.5.EL
  • kernel-hugemem RHEL 4 2.6.9-5.0.5.EL

red hat advisories RHSA-2005:366

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-2005-0839 updated

security flaw

  • Red Hat Enterprise Linux AS version 4 kernel 2.6.9-5.0.5.EL, kernel-smp 2.6.9-5.0.5.EL, kernel-hugemem 2.6.9-5.0.5.EL Red Hat Enterprise Linux Desktop version 4 kernel 2.6.9-5.0.5.EL, kernel-smp 2.6.9-5.0.5.EL, kernel-hugemem 2.6.9-5.0.5.EL Red Hat Enterprise Linux ES version 4 kernel 2.6.9-5.0.5.EL, kernel-smp 2.6.9-5.0.5.EL, kernel-hugemem 2.6.9-5.0.5.EL Red Hat Enterprise Linux WS version 4 kernel 2.6.9-5.0.5.EL, kernel-smp 2.6.9-5.0.5.EL, kernel-hugemem 2.6.9-5.0.5.EL
    fixed: vendor fix RHSA-2005:366

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

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

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

Technology feeds

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.