Description
The Linux kernel 2.6.17.10 and 2.6.17.11 and 2.6.18-rc5 allows local users to cause a denial of service (crash) via an SCTP socket with a certain SO_LINGER value, possibly related to the patch for CVE-2006-3745. NOTE: older kernel versions for specific Linux distributions are also affected, due to backporting of the CVE-2006-3745 patch.
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 | fai-kernels | 1.9.1sarge4 | DSA-1184-2, DSA-1183-1 |
| Debian 3.1 | kernel-source-2.4.27 | 2.4.27-10sarge4 | DSA-1183-1 |
| Debian 3.1 | kernel-source-2.6.8 | 2.6.8-16sarge5 | DSA-1184-2 |
| Debian 3.1 | systemimager | 3.2.3-6sarge3 | DSA-1183-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | kernel +8 | 2.6.9-42.0.3.EL | RHSA-2006:0689 |
Advisories 3
- RHSA-2006:0689 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1183-1 kernel-source-2.4.27 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-1184-2 kernel-source-2.6.8 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- MDKSA-2007:025 vendor-advisory
- http://www.mail-archive.com/kernel-svn-changes%40lists.alioth.debian.org/msg02314.html
- DSA-1183 vendor-advisory
- 22292 third-party-advisory
- RHSA-2006:0689 vendor-advisory
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=204460
- 22082 third-party-advisory
- 21945 third-party-advisory
- 20087 vdb-entry
- MDKSA-2006:182 vendor-advisory
- kernel-sctp-dos(29011) vdb-entry
- 22382 third-party-advisory
- 21967 third-party-advisory
- USN-347-1 vendor-advisory
- http://support.avaya.com/elmodocs2/security/ASA-2006-249.htm
- 1016992 vdb-entry
- oval:org.mitre.oval:def:10530 vdb-entry signature
- 22945 third-party-advisory
- 22093 third-party-advisory
- DSA-1184 vendor-advisory