CVE-2014-0102 Denial of service in n/a

Medium 5.2 Published Updated

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.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-0102, GHSA-q97q-xjqf-jw5m.

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