Vulnerability Description
The fib6_add function in net/ipv6/ip6_fib.c in the Linux kernel before 3.11.5 does not properly implement error-code encoding, which allows local users to cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability for an IPv6 SIOCADDRT ioctl call.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 3.11.4 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html
- http://rhn.redhat.com/errata/RHSA-2014-0100.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.11.5
- http://www.openwall.com/lists/oss-security/2013/12/06/5Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=1039054
- https://github.com/torvalds/linux/commit/ae7b4e1f213aa659aedf9c6ecad0bf5f0476e1eExploitPatch
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html
- http://rhn.redhat.com/errata/RHSA-2014-0100.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.11.5
- http://www.openwall.com/lists/oss-security/2013/12/06/5Patch
- https://bugzilla.redhat.com/show_bug.cgi?id=1039054
- https://github.com/torvalds/linux/commit/ae7b4e1f213aa659aedf9c6ecad0bf5f0476e1eExploitPatch
FAQ
What is CVE-2013-6431?
CVE-2013-6431 is a vulnerability with a CVSS score of 4.7 (MEDIUM). The fib6_add function in net/ipv6/ip6_fib.c in the Linux kernel before 3.11.5 does not properly implement error-code encoding, which allows local users to cause a denial of service (NULL pointer deref...
How severe is CVE-2013-6431?
CVE-2013-6431 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2013-6431?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.