Linux kernel built with the Kernel-based Virtual Machine(CONFIG_KVM) support
is vulnerable to a use after free flaw. It could occur on x86 platform,
when emulating instructions fxsave, fxrstor, sgdt, etc.
A user/process could use this flaw to crash the host kernel resulting in DoS.
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1413002]
This issue does not affect the versions of the kernel package as shipped with
Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2.
This issue affects the version of Linux kernel as shipped with
Red Hat Enterprise Linux 7.
This has been rated as having Low security impact and is not currently
planned to be addressed in future updates. For additional information, refer
to the Red Hat Enterprise Linux Life Cycle: