CVE-2014-3646: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 0.4% chance of exploitation in the next 30 days.

arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel through 3.17.2 does not have an exit handler for the INVVPID instruction, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application.

Affected products

• Canonical Ubuntu Linux: version 12.04 only
• Debian Debian Linux: version 7.0 only
• Linux Linux Kernel: up to and including 3.17.2
• Opensuse Evergreen: version 11.4 only
• Red Hat Enterprise Linux: version 5.0 only
• Suse Suse Linux Enterprise Server: version 11 only

Published 2014-11-10. Last modified 2026-06-17.