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Fencer Vulns
medium 6.9

CVE-2005-0001 json

Race condition in the page fault handler (fault.c) for Linux kernel 2.2.x to 2.2.7, 2.4 to 2.4.29, and 2.6 to 2.6.10, when running on multi…

published 2005-01-19 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-0002

cvss
6.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

Race condition in the page fault handler (fault.c) for Linux kernel 2.2.x to 2.2.7, 2.4 to 2.4.29, and 2.6 to 2.6.10, when running on multiprocessor machines, allows local users to execute arbitrary code via concurrent threads that share the same virtual memory space and simultaneously request stack expansion.

Patch / fix

  • kernel RHEL 4 2.6.9-5.0.3.EL
  • kernel-smp RHEL 4 2.6.9-5.0.3.EL
  • kernel-hugemem RHEL 4 2.6.9-5.0.3.EL

red hat advisories RHSA-2005:092

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-2005-0001 updated

security flaw

  • Red Hat Enterprise Linux AS version 4 kernel 2.6.9-5.0.3.EL, kernel-smp 2.6.9-5.0.3.EL, kernel-hugemem 2.6.9-5.0.3.EL Red Hat Enterprise Linux Desktop version 4 kernel 2.6.9-5.0.3.EL, kernel-smp 2.6.9-5.0.3.EL, kernel-hugemem 2.6.9-5.0.3.EL
    fixed: vendor fix RHSA-2005:092
  • Red Hat Enterprise Linux ES version 2.1
    fixed: vendor fix RHSA-2005:016
  • Red Hat Enterprise Linux ES version 4 kernel 2.6.9-5.0.3.EL, kernel-smp 2.6.9-5.0.3.EL, kernel-hugemem 2.6.9-5.0.3.EL
    fixed: vendor fix RHSA-2005:092
  • Red Hat Enterprise Linux WS version 2.1
    fixed: vendor fix RHSA-2005:016
  • Red Hat Enterprise Linux WS version 4 kernel 2.6.9-5.0.3.EL, kernel-smp 2.6.9-5.0.3.EL, kernel-hugemem 2.6.9-5.0.3.EL
    fixed: vendor fix RHSA-2005:092
  • Red Hat Linux Advanced Workstation 2.1
    fixed: vendor fix RHSA-2005:017

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

0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 6.9 AV:L/AC:M/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.