QEMU / KVM / Xen (VENOM): VENOM: out-of-bounds write in the virtual Floppy Disk Controller

CVE-2015-3456Kernel, userspace & hypervisorcurated

Impact

VENOM: out-of-bounds write in the virtual Floppy Disk Controller - guest-to-host code execution; present even when the FDC is disabled in the guest config

Who can reach it

Tenant VM guest

What to do

QEMU update + VM restart. The origin of the "unused emulated device is still attack surface" lesson - audit and strip emulated devices from tenant VM templates

References

https://nvd.nist.gov/vuln/detail/CVE-2015-3456

This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.