Description
The security_context_to_sid_core function in security/selinux/ss/services.c in the Linux kernel before 3.13.4 allows local users to cause a denial of service (system crash) by leveraging the CAP_MAC_ADMIN capability to set a zero-length security context.
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 14 | linux | 3.13.4-1 | — |
| Debian 13 | linux | 3.13.4-1 | — |
| Debian 12 | linux | 3.13.4-1 | — |
| Debian 6.0 | linux-2.6 | 2.6.32-48squeeze5 | DSA-2906-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | perf +16 | 2.6.32-431.20.3.el6 | RHSA-2014:0771 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 2 | kernel-rt +10 | 3.10.33-rt32.33.el6rt | RHSA-2014:0439 |
Advisories 3
- RHSA-2014:0771 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2906-1 linux-2.6 - several Debian Security (DSA / DLA) · Mar 9, 2026
- RHSA-2014:0439 Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jan 7, 2026
References
- USN-2135-1 vendor-advisory
- USN-2138-1 vendor-advisory
- USN-2137-1 vendor-advisory
- USN-2141-1 vendor-advisory
- USN-2129-1 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2172fa709ab32ca60e86179dc67d0857be8e2c98
- USN-2136-1 vendor-advisory
- USN-2128-1 vendor-advisory
- USN-2140-1 vendor-advisory
- [oss-security] 20140206 Re: CVE Request: Linux kernel: SELinux local DoS mailing-list
- 59262 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1062356
- USN-2139-1 vendor-advisory
- 59309 third-party-advisory
- 59406 third-party-advisory
- USN-2134-1 vendor-advisory
- 65459 vdb-entry
- http://linux.oracle.com/errata/ELSA-2014-0771.html
- USN-2133-1 vendor-advisory
- https://github.com/torvalds/linux/commit/2172fa709ab32ca60e86179dc67d0857be8e2c98
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.4
- http://linux.oracle.com/errata/ELSA-2014-3043.html
- SUSE-SU-2015:0812 vendor-advisory