CVE-2013-6431 Null dereference in n/a
Local attackers with CAP_NET_ADMIN can crash the system via a NULL pointer dereference in the IPv6 routing code.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-6431?
CVE-2013-6431 is a medium-severity vulnerability in Linux kernel, published on 9 Dec 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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.
Weakness: CWE-264
Which versions are affected by CVE-2013-6431?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2013-6431?
Upgrade to a fixed version.
Is CVE-2013-6431 being exploited?
There is no known exploitation of CVE-2013-6431 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2013-6431, GHSA-5qh6-gw5f-mgc9.