CVE-2012-3515: Canonical Ubuntu Linux

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

Qemu, as used in Xen 4.0, 4.1 and possibly other products, when emulating certain devices with a virtual console backend, allows local OS guest users to gain privileges via a crafted escape VT100 sequence that triggers the overwrite of a "device model's address space."

Affected products

• Canonical Ubuntu Linux: version 10.04 only; version 11.04 only; version 11.10 only; version 12.04 only
• Debian Debian Linux: version 6.0 only; version 7.0 only
• Opensuse Opensuse: version 11.4 only; version 12.1 only; version 12.2 only
• Qemu Qemu: before 1.2.0 (fixed in 1.2.0)
• Red Hat Enterprise Linux Desktop: version 5.0 only; version 6.0 only
• Red Hat Enterprise Linux Eus: version 6.3 only
• Red Hat Enterprise Linux Server: version 5.0 only; version 6.0 only
• Red Hat Enterprise Linux Workstation: version 5.0 only; version 6.0 only
• Red Hat Virtualization: version 3.0 only; version 5.0 only; version 6.0 only
• Suse Linux Enterprise Desktop: version 10 only; version 11 only
• Suse Linux Enterprise Server: version 10 only; version 11 only
• Suse Linux Enterprise Software Development Kit: version 10 only; version 11 only
• Xen Xen: version 4.0.0 only; version 4.1.0 only

Published 2012-11-23. Last modified 2026-06-16.