Description
The selinux_parse_skb_ipv6 function in security/selinux/hooks.c in the Linux kernel before 2.6.12-rc4 allows remote attackers to cause a denial of service (OOPS) via vectors associated with an incorrect call to the ipv6_skip_exthdr function.
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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | kernel +6 | 2.6.9-22.EL | RHSA-2005:514 |
Advisories 1
- RHSA-2005:514 Red Hat Security Advisory: Updated kernel packages available for Red Hat Enterprise Linux 4 Update 2 Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- kernel-selinuxparseskbipv6-dos(56614) vdb-entry
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0d3d077cd4f1154e63a9858e47fe3fb1ad0c03e5
- [oss-security] 20100222 CVE-2005-4886 assigned to old remote oops mailing-list
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.12/ChangeLog-2.6.12-rc4
- https://bugzilla.redhat.com/show_bug.cgi?id=160117