Description
Buffer overflow in SCTP in Linux kernel before 2.6.16.17 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a malformed HB-ACK chunk.
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 | 2.6.9-42.EL | RHSA-2006:0575 |
Advisories 3
- RHSA-2006:0575 Red Hat Security Advisory: Updated kernel packages available for Red Hat Enterprise Linux 4 Update 4 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
- SUSE-SA:2006:042 vendor-advisory
- ADV-2006-2554 vdb-entry
- 20716 third-party-advisory
- ADV-2006-1893 vdb-entry
- 21476 third-party-advisory
- SUSE-SA:2006:047 vendor-advisory
- 25695 vdb-entry
- 18085 vdb-entry
- MDKSA-2006:150 vendor-advisory
- USN-302-1 vendor-advisory
- MDKSA-2006:123 vendor-advisory
- oval:org.mitre.oval:def:10622 vdb-entry signature
- DSA-1097 vendor-advisory
- RHSA-2006:0575 vendor-advisory
- 20185 third-party-advisory
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.17
- linux-sctp-hback-dos(26584) vdb-entry
- DSA-1103 vendor-advisory
- 21465 third-party-advisory
- 21498 third-party-advisory
- 21045 third-party-advisory
- http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm
- 22417 third-party-advisory
- 20671 third-party-advisory
- 21179 third-party-advisory
- 20914 third-party-advisory