CVE-2013-4344: Canonical Ubuntu Linux

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

Buffer overflow in the SCSI implementation in QEMU, as used in Xen, when a SCSI controller has more than 256 attached devices, allows local users to gain privileges via a small transfer buffer in a REPORT LUNS command.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 12.10 only; version 13.10 only
• Opensuse Opensuse: version 12.3 only; version 13.1 only
• Qemu Qemu: up to and including 1.6.2
• Red Hat Enterprise Linux Desktop: version 6.0 only
• Red Hat Enterprise Linux Server: version 6.0 only
• Red Hat Enterprise Linux Workstation: version 6.0 only
• Red Hat Virtualization: version 3.0 only

Published 2013-10-04. Last modified 2026-06-16.