CVE-2016-7097 Privilege escalation in n/a
Local attackers can gain group privileges by exploiting a flaw in the Linux kernel filesystem implementation that incorrectly preserves the setgid bit during extended attribute operations.
- 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-2016-7097?
CVE-2016-7097 is a medium-severity vulnerability in Linux kernel, published on 16 Oct 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The filesystem implementation in the Linux kernel through 4.8.2 preserves the setgid bit during a setxattr call, which allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions.
Weakness: CWE-285
Which versions are affected by CVE-2016-7097?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2016-7097?
Apply the vendor's patch.
Is CVE-2016-7097 being exploited?
There is no known exploitation of CVE-2016-7097 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2016-7097, GHSA-p43m-7832-xv8g, UBUNTU-CVE-2016-7097.