CVE-2014-3611: Canonical Ubuntu Linux

Medium severity, CVSS 4.7. EPSS: 0.3% chance of exploitation in the next 30 days.

Race condition in the __kvm_migrate_pit_timer function in arch/x86/kvm/i8254.c in the KVM subsystem in the Linux kernel through 3.17.2 allows guest OS users to cause a denial of service (host OS crash) by leveraging incorrect PIT emulation.

Affected products

• Canonical Ubuntu Linux: version 10.04 only; version 12.04 only
• Debian Debian Linux: version 7.0 only
• Linux Linux Kernel: up to and including 3.17.2
• Red Hat Enterprise Linux: version 5.0 only

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