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Fencer Vulns
low 2.1

CVE-2004-1016 json

The scm_send function in the scm layer for Linux kernel 2.4.x up to 2.4.28, and 2.6.x up to 2.6.9, allows local users to cause a denial of…

published 2004-12-15 21 y ago modified 2026-06-16 4 mo ago also EUVD-2004-1014

cvss
2.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
1
Exploit-DB

Summary

The scm_send function in the scm layer for Linux kernel 2.4.x up to 2.4.28, and 2.6.x up to 2.6.9, allows local users to cause a denial of service (system hang) via crafted auxiliary messages that are passed to the sendmsg function, which causes a deadlock condition.

Patch / fix

  • kernel RHEL 3 2.4.21-27.0.1.EL
  • kernel-smp RHEL 3 2.4.21-27.0.1.EL
  • kernel-BOOT RHEL 3 2.4.21-27.0.1.EL
  • kernel-source RHEL 3 2.4.21-27.0.1.EL
  • kernel-hugemem RHEL 3 2.4.21-27.0.1.EL
  • kernel-unsupported RHEL 3 2.4.21-27.0.1.EL
  • kernel-smp-unsupported RHEL 3 2.4.21-27.0.1.EL
  • kernel-hugemem-unsupported RHEL 3 2.4.21-27.0.1.EL

red hat advisories RHSA-2004:689

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-2004-1016 updated

security flaw

  • Red Hat Desktop version 3 kernel 2.4.21-27.0.1.EL, kernel-smp 2.4.21-27.0.1.EL, kernel-BOOT 2.4.21-27.0.1.EL, kernel-source 2.4.21-27.0.1.EL, kernel-hugemem 2.4.21-27.0.1.EL, kernel-unsupported 2.4.21-27.0.1.EL, +2 more Red Hat Enterprise Linux AS version 3 kernel 2.4.21-27.0.1.EL, kernel-smp 2.4.21-27.0.1.EL, kernel-BOOT 2.4.21-27.0.1.EL, kernel-source 2.4.21-27.0.1.EL, kernel-hugemem 2.4.21-27.0.1.EL, kernel-unsupported 2.4.21-27.0.1.EL, +2 more
    fixed: vendor fix RHSA-2004:689
  • Red Hat Enterprise Linux ES version 2.1
    fixed: vendor fix RHSA-2005:016
  • Red Hat Enterprise Linux ES version 3 kernel 2.4.21-27.0.1.EL, kernel-smp 2.4.21-27.0.1.EL, kernel-BOOT 2.4.21-27.0.1.EL, kernel-source 2.4.21-27.0.1.EL, kernel-hugemem 2.4.21-27.0.1.EL, kernel-unsupported 2.4.21-27.0.1.EL, +2 more
    fixed: vendor fix RHSA-2004:689
  • Red Hat Enterprise Linux WS version 2.1
    fixed: vendor fix RHSA-2005:016
  • Red Hat Enterprise Linux WS version 3 kernel 2.4.21-27.0.1.EL, kernel-smp 2.4.21-27.0.1.EL, kernel-BOOT 2.4.21-27.0.1.EL, kernel-source 2.4.21-27.0.1.EL, kernel-hugemem 2.4.21-27.0.1.EL, kernel-unsupported 2.4.21-27.0.1.EL, +2 more
    fixed: vendor fix RHSA-2004:689
  • 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

Timeline

  1. First public exploit (EDB-685)
  2. Published

Exploit prediction

1.00% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-685 Linux Kernel 2.4.28/2.6.9 - 'scm_send Local' Denial of Service dos, 2004-12-14
  • securityfocus.com http://www.securityfocus.com/bid/11921 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:N/A:P

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.