CVE-2013-6432 Null dereference in n/a
Local attackers can crash the system via a NULL pointer dereference in the Linux kernel's ping socket implementation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2013-6432?
CVE-2013-6432 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 ping_recvmsg function in net/ipv4/ping.c in the Linux kernel before 3.12.4 does not properly interact with read system calls on ping sockets, which allows local users to cause a denial of service (NULL pointer dereference and system crash) by leveraging unspecified privileges to execute a crafted application.
Which versions are affected by CVE-2013-6432?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2013-6432?
Upgrade to a fixed version.
Is CVE-2013-6432 being exploited?
There is no known exploitation of CVE-2013-6432 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2013-6432, GHSA-fw6g-56pg-38xh.