Description
Linux SCTP (lksctp) before 2.6.17 allows remote attackers to cause a denial of service (kernel panic) via incoming IP fragmented (1) COOKIE_ECHO and (2) HEARTBEAT SCTP control chunks.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 3.1 | kernel-source-2.4.27 | 2.4.27-10sarge3 | DSA-1097-1 |
| Debian 3.1 | kernel-source-2.6.8 | 2.6.8-16sarge3 | DSA-1103 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | kernel +8 | 2.6.9-34.0.1.EL | RHSA-2006:0493 |
Advisories 3
- RHSA-2006:0493 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1097-1 kernel-source-2.4.27 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1103 kernel-source-2.6.8 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://support.avaya.com/elmodocs2/security/ASA-2006-161.htm
- RHSA-2006:0493 vendor-advisory
- http://labs.musecurity.com/advisories/MU-200605-01.txt
- 19990 third-party-advisory
- ADV-2006-2554 vdb-entry
- http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=62b08083ec3dbfd7e533c8d230dd1d8191a6e813
- 20716 third-party-advisory
- 21476 third-party-advisory
- 21745 third-party-advisory
- USN-302-1 vendor-advisory
- 17910 vdb-entry
- DSA-1097 vendor-advisory
- SUSE-SA:2006:028 vendor-advisory
- 25633 vdb-entry
- 20060508 [MU-200605-01] Multiple vulnerabilities in Linux SCTP 2.6.16 mailing-list
- 2006-0026 vendor-advisory
- DSA-1103 vendor-advisory
- ADV-2006-1734 vdb-entry
- 20237 third-party-advisory
- 20398 third-party-advisory
- MDKSA-2006:086 vendor-advisory
- 20671 third-party-advisory
- linux-sctp-control-chunk-dos(26431) vdb-entry
- 20157 third-party-advisory
- 20914 third-party-advisory
- oval:org.mitre.oval:def:11243 vdb-entry signature