Ubuntu 16.04 LTS : linux vulnerability (USN-3106-1) (Dirty COW)
High Nessus Plugin ID 94155
SynopsisThe remote Ubuntu host is missing one or more security-related patches.
DescriptionIt was discovered that a race condition existed in the memory manager of the Linux kernel when handling copy-on-write breakage of private read-only memory mappings. A local attacker could use this to gain administrative privileges.
Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
SolutionUpdate the affected linux-image-4.4-generic, linux-image-4.4-generic-lpae and / or linux-image-4.4-lowlatency packages.