Description
ip_route_input in Linux kernel 2.6 before 2.6.16.8 allows local users to cause a denial of service (panic) via a request for a route for a multicast IP address, which triggers a null dereference.
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
- 24715 vdb-entry
- linux-ip-route-input-dos(25872) vdb-entry
- 19735 third-party-advisory
- ADV-2006-2554 vdb-entry
- USN-281-1 vendor-advisory
- FEDORA-2006-423 vendor-advisory
- 21476 third-party-advisory
- 21745 third-party-advisory
- DSA-1097 vendor-advisory
- SUSE-SA:2006:028 vendor-advisory
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.8
- 19955 third-party-advisory
- 17593 vdb-entry
- DSA-1103 vendor-advisory
- ADV-2006-1399 vdb-entry
- 19709 third-party-advisory
- https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=189346
- oval:org.mitre.oval:def:10146 vdb-entry signature
- ADV-2006-1475 vdb-entry
- 20237 third-party-advisory
- 20398 third-party-advisory
- MDKSA-2006:086 vendor-advisory
- 20671 third-party-advisory
- 20157 third-party-advisory
- 20914 third-party-advisory