Skip to content
Fencer Vulns
low 2.1

CVE-2005-0736 json

Integer overflow in sys_epoll_wait in eventpoll.c for Linux kernel 2.6 to 2.6.11 allows local users to overwrite kernel memory via a large…

published 2005-03-09 21 y ago modified 2026-06-16 4 mo ago also EUVD-2005-0737

cvss
2.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
2
Exploit-DB

Summary

Integer overflow in sys_epoll_wait in eventpoll.c for Linux kernel 2.6 to 2.6.11 allows local users to overwrite kernel memory via a large number of events.

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
  • kernel RHEL 3 2.4.21-27.0.4.EL
  • kernel-smp RHEL 3 2.4.21-27.0.4.EL
  • kernel-BOOT RHEL 3 2.4.21-27.0.4.EL
  • kernel-source RHEL 3 2.4.21-27.0.4.EL
  • kernel-hugemem RHEL 3 2.4.21-27.0.4.EL

red hat advisories RHSA-2005:366RHSA-2005:293

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-2005-0736 updated

security flaw

  • Red Hat Desktop version 3 kernel 2.4.21-27.0.4.EL, kernel-smp 2.4.21-27.0.4.EL, kernel-BOOT 2.4.21-27.0.4.EL, kernel-source 2.4.21-27.0.4.EL, kernel-hugemem 2.4.21-27.0.4.EL, kernel-unsupported 2.4.21-27.0.4.EL, +2 more Red Hat Enterprise Linux AS version 3 kernel 2.4.21-27.0.4.EL, kernel-smp 2.4.21-27.0.4.EL, kernel-BOOT 2.4.21-27.0.4.EL, kernel-source 2.4.21-27.0.4.EL, kernel-hugemem 2.4.21-27.0.4.EL, kernel-unsupported 2.4.21-27.0.4.EL, +2 more
    fixed: vendor fix RHSA-2005:293
  • 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
    fixed: vendor fix RHSA-2005:366
  • Red Hat Enterprise Linux ES version 3 kernel 2.4.21-27.0.4.EL, kernel-smp 2.4.21-27.0.4.EL, kernel-BOOT 2.4.21-27.0.4.EL, kernel-source 2.4.21-27.0.4.EL, kernel-hugemem 2.4.21-27.0.4.EL, kernel-unsupported 2.4.21-27.0.4.EL, +2 more
    fixed: vendor fix RHSA-2005:293
  • 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
    fixed: vendor fix RHSA-2005:366
  • Red Hat Enterprise Linux WS version 3 kernel 2.4.21-27.0.4.EL, kernel-smp 2.4.21-27.0.4.EL, kernel-BOOT 2.4.21-27.0.4.EL, kernel-source 2.4.21-27.0.4.EL, kernel-hugemem 2.4.21-27.0.4.EL, kernel-unsupported 2.4.21-27.0.4.EL, +2 more
    fixed: vendor fix RHSA-2005:293
  • 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

Timeline

  1. First public exploit (EDB-25202)
  2. Published

Exploit prediction

2.11% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-25202 Linux Kernel 2.6.x - 'SYS_EPoll_Wait' Local Integer Overflow / Local Privilege Escalation (1) local, 2005-03-09
  • EDB-1397 Linux Kernel 2.6.9 < 2.6.11 (RHEL 4) - 'SYS_EPoll_Wait' Local Integer Overflow / Local Privilege Escalation local, 2005-12-30
  • securityfocus.com http://www.securityfocus.com/bid/12763 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:P/A:N

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.