CVE-2014-0102 Denial of service in n/a
Local attackers can cause a kernel denial of service via crafted keyctl commands due to improper keyring cycle detection.
- 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-2014-0102?
CVE-2014-0102 is a medium-severity denial of service vulnerability in Linux kernel, published on 11 Mar 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The keyring_detect_cycle_iterator function in security/keys/keyring.c in the Linux kernel through 3.13.6 does not properly determine whether keyrings are identical, which allows local users to cause a denial of service (OOPS) via crafted keyctl commands.
Weakness: CWE-310
Which versions are affected by CVE-2014-0102?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2014-0102?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2014-0102 being exploited?
There is no known exploitation of CVE-2014-0102 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2014-0102, GHSA-q97q-xjqf-jw5m.