CVE-2013-1958 Privilege escalation in n/a
Local attackers can bypass access restrictions and escalate privileges by exploiting a race condition in Linux kernel UNIX domain socket credential checks.
- 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-2013-1958?
CVE-2013-1958 is a low-severity vulnerability in Linux kernel, published on 24 Apr 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The scm_check_creds function in net/core/scm.c in the Linux kernel before 3.8.6 does not properly enforce capability requirements for controlling the PID value associated with a UNIX domain socket, which allows local users to bypass intended access restrictions by leveraging the time interval during which a user namespace has been created but a PID namespace has not been created.
Weakness: CWE-264
Which versions are affected by CVE-2013-1958?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2013-1958?
Upgrade to a fixed version.
Is CVE-2013-1958 being exploited?
There is no known exploitation of CVE-2013-1958 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2013-1958, GHSA-w7c5-wqfh-q935.