CVE-2017-18221

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 4.11.4

Description: The issue allows local users to cause a denial of service due to NR MLOCK accounting corruption. This can be achieved through crafted use of mlockall and munlockall system calls. The munlock pagevec function in mm/mlock.c is involved in this issue.

Recommendations: For Linux kernel versions prior to 4.11.4, update to version 4.11.4 or later to resolve the issue.