CVE-2015-3339 Race condition in n/a
Local attackers can exploit a race condition in the Linux kernel to gain root privileges by timing setuid program execution during ownership changes.
- 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-2015-3339?
CVE-2015-3339 is a medium-severity vulnerability in Debian Debian Linux, published on 27 May 2015. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Race condition in the prepare_binprm function in fs/exec.c in the Linux kernel before 3.19.6 allows local users to gain privileges by executing a setuid program at a time instant when a chown to root is in progress, and the ownership is changed but the setuid bit is not yet stripped.
Weakness: CWE-362
Which versions are affected by CVE-2015-3339?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2015-3339?
Apply the vendor's patch.
Is CVE-2015-3339 being exploited?
There is no known exploitation of CVE-2015-3339 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2015-3339, GHSA-8x6w-vmh7-xc9h, UBUNTU-CVE-2015-3339, USN-2598-1, USN-2599-1.