system
Describe <CVE-2016-4470>.
user
What is <CVE-2016-4470>?
assistant
The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command..