K32115847 : Linux kernel vulnerability CVE-2017-2647

Security Advisory Description

The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c. (CVE-2017-2647)
Impact
A local user may be able to gain unauthorized disclosure of information, perform unauthorized modification, or cause a denial-of-service (DoS) attack.