CVE-2013-1826 Null dereference in n/a
Local users with CAP_NET_ADMIN can trigger a NULL pointer dereference in the Linux kernel, leading to privilege escalation or system crash.
- 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-2013-1826?
CVE-2013-1826 is a medium-severity vulnerability in Linux kernel, published on 22 Mar 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The xfrm_state_netlink function in net/xfrm/xfrm_user.c in the Linux kernel before 3.5.7 does not properly handle error conditions in dump_one_state function calls, which allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) by leveraging the CAP_NET_ADMIN capability.
Which versions are affected by CVE-2013-1826?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2013-1826?
Upgrade to a fixed version.
Is CVE-2013-1826 being exploited?
There is no known exploitation of CVE-2013-1826 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2013-1826, GHSA-pf2c-9979-gm9f.