Decription: Linux Kernel Copy-on-Write Memory Management Race Condition Lets Local Users Obtain Elevated Privileges
A local user can a race condition in the kernel memory subsystem in the management of copy-on-write operations on read-only memory mappings to overwrite kernel memory and gain kernel-level privileges.
This vulnerability is being actively exploited.
Some demonstration exploit code is listed at:
Recommended action: The vendor has issued a source code fix, available at: