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Fencer Vulns
medium 4.6

CVE-2005-3257 json

The VT implementation (vt_ioctl.c) in Linux kernel 2.6.12, and possibly other versions including 2.6.14.4, allows local users to use the KD…

published 2005-10-18 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-3256

cvss
4.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
1
Exploit-DB

Summary

The VT implementation (vt_ioctl.c) in Linux kernel 2.6.12, and possibly other versions including 2.6.14.4, allows local users to use the KDSKBSENT ioctl on terminals of other users and gain privileges, as demonstrated by modifying key bindings using loadkeys.

Patch / fix

  • kernel RHEL 4 2.6.9-55.EL
  • kernel-smp RHEL 4 2.6.9-55.EL
  • kernel-xenU RHEL 4 2.6.9-55.EL
  • kernel-hugemem RHEL 4 2.6.9-55.EL
  • kernel-largesmp RHEL 4 2.6.9-55.EL

red hat advisories RHBA-2007:0304

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-2005-3257 updated

security flaw

  • Red Hat Enterprise Linux AS version 4 kernel 2.6.9-55.EL, kernel-smp 2.6.9-55.EL, kernel-xenU 2.6.9-55.EL, kernel-hugemem 2.6.9-55.EL, kernel-largesmp 2.6.9-55.EL Red Hat Enterprise Linux Desktop version 4 kernel 2.6.9-55.EL, kernel-smp 2.6.9-55.EL, kernel-xenU 2.6.9-55.EL, kernel-hugemem 2.6.9-55.EL, kernel-largesmp 2.6.9-55.EL Red Hat Enterprise Linux ES version 4 kernel 2.6.9-55.EL, kernel-smp 2.6.9-55.EL, kernel-xenU 2.6.9-55.EL, kernel-hugemem 2.6.9-55.EL, kernel-largesmp 2.6.9-55.EL Red Hat Enterprise Linux WS version 4 kernel 2.6.9-55.EL, kernel-smp 2.6.9-55.EL, kernel-xenU 2.6.9-55.EL, kernel-hugemem 2.6.9-55.EL, kernel-largesmp 2.6.9-55.EL
    fixed: vendor fix RHBA-2007:0304

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 (EDB-26353)
  2. Published

Exploit prediction

1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-26353 Linux Kernel 2.6 - Console Keymap Local Command Injection local, 2005-10-17
  • bugs.debian.org http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=334113 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls
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.