Scientific Linux Security Update : qemu-kvm on SL7.x x86_64 (Venom)
High Nessus Plugin ID 83459
SynopsisThe remote Scientific Linux host is missing one or more security updates.
DescriptionAn out-of-bounds memory access flaw was found in the way QEMU's virtual Floppy Disk Controller (FDC) handled FIFO buffer access while processing certain FDC commands. A privileged guest user could use this flaw to crash the guest or, potentially, execute arbitrary code on the host with the privileges of the host's QEMU process corresponding to the guest. (CVE-2015-3456)
After installing this update, shut down all running virtual machines.
Once all virtual machines have shut down, start them again for this update to take effect.
SolutionUpdate the affected packages.