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Fencer Vulns
critical 10.0

CVE-2009-0065 in the critical feed json

Buffer overflow in net/sctp/sm_statefuns.c in the Stream Control Transmission Protocol (sctp) implementation in the Linux kernel before 2.6…

published 2009-01-07 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0074

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
16.7%
EPSS 16.7% chance of exploitation in 30 days, percentile 97%
public exploits
1
Exploit-DB

Summary

Buffer overflow in net/sctp/sm_statefuns.c in the Stream Control Transmission Protocol (sctp) implementation in the Linux kernel before 2.6.28-git8 allows remote attackers to have an unknown impact via an FWD-TSN (aka FORWARD-TSN) chunk with a large stream ID.

Patch / fix

  • kernel RHEL 5 2.6.18-128.1.1.el5
  • kernel-PAE RHEL 5 2.6.18-128.1.1.el5
  • kernel-xen RHEL 5 2.6.18-128.1.1.el5
  • kernel-kdump RHEL 5 2.6.18-128.1.1.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-128.1.1.el5
  • kernel RHEL 4 2.6.9-78.0.17.EL
  • kernel-smp RHEL 4 2.6.9-78.0.17.EL
  • kernel-xenU RHEL 4 2.6.9-78.0.17.EL

red hat advisories RHSA-2009:0264RHSA-2009:1055RHSA-2009:0331RHSA-2009:0053

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-2009-0065 updated cvss 8.3

kernel: sctp: memory overflow when FWD-TSN chunk is received with bad stream ID

  • Red Hat MRG Realtime for RHEL 5 Server kernel-rt 2.6.24.7-101.el5rt, kernel-rt-trace 2.6.24.7-101.el5rt, kernel-rt-vanilla 2.6.24.7-101.el5rt, kernel-rt-debuginfo-common 2.6.24.7-101.el5rt
    fixed: vendor fix RHSA-2009:0053
  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-128.1.1.el5, kernel-PAE 2.6.18-128.1.1.el5, kernel-xen 2.6.18-128.1.1.el5, kernel-kdump 2.6.18-128.1.1.el5, kernel-debuginfo-common 2.6.18-128.1.1.el5
    fixed: vendor fix RHSA-2009:0264
  • Red Hat Enterprise Linux AS version 4 kernel 2.6.9-78.0.17.EL, kernel-smp 2.6.9-78.0.17.EL, kernel-xenU 2.6.9-78.0.17.EL, kernel-hugemem 2.6.9-78.0.17.EL, kernel-largesmp 2.6.9-78.0.17.EL
    fixed: vendor fix RHSA-2009:0331
  • Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-128.1.1.el5, kernel-PAE 2.6.18-128.1.1.el5, kernel-xen 2.6.18-128.1.1.el5, kernel-debuginfo-common 2.6.18-128.1.1.el5
    fixed: vendor fix RHSA-2009:0264
  • Red Hat Enterprise Linux Desktop version 4 kernel 2.6.9-78.0.17.EL, kernel-smp 2.6.9-78.0.17.EL, kernel-xenU 2.6.9-78.0.17.EL, kernel-hugemem 2.6.9-78.0.17.EL, kernel-largesmp 2.6.9-78.0.17.EL Red Hat Enterprise Linux ES version 4 kernel 2.6.9-78.0.17.EL, kernel-smp 2.6.9-78.0.17.EL, kernel-xenU 2.6.9-78.0.17.EL, kernel-hugemem 2.6.9-78.0.17.EL, kernel-largesmp 2.6.9-78.0.17.EL
    fixed: vendor fix RHSA-2009:0331
  • Red Hat Enterprise Linux EUS (v. 5.2 server) kernel 2.6.18-92.1.26.el5, kernel-PAE 2.6.18-92.1.26.el5, kernel-xen 2.6.18-92.1.26.el5, kernel-kdump 2.6.18-92.1.26.el5, kernel-debuginfo-common 2.6.18-92.1.26.el5
    fixed: vendor fix RHSA-2009:1055
  • Red Hat Enterprise Linux WS version 4 kernel 2.6.9-78.0.17.EL, kernel-smp 2.6.9-78.0.17.EL, kernel-xenU 2.6.9-78.0.17.EL, kernel-hugemem 2.6.9-78.0.17.EL, kernel-largesmp 2.6.9-78.0.17.EL
    fixed: vendor fix RHSA-2009:0331

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. Published
  2. First public exploit (EDB-8556)

Exploit prediction

16.73% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-8556 Linux Kernel 2.6.20/2.6.24/2.6.27_7-10 (Ubuntu 7.04/8.04/8.10 / Fedora Core 10 / OpenSuse 11.1) - SCTP FWD Memory Corruption Remote Overflow remote, 2009-04-28

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
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.