CVE-2017-6951: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

The keyring_search_aux function in security/keys/keyring.c in the Linux kernel through 3.14.79 allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a request_key system call for the "dead" type.

Affected products

• Linux Linux Kernel: up to and including 3.14.79

Published 2017-03-16. Last modified 2026-06-17.