CVE-2011-2212 Memory corruption in n/a

High 7.4 Published 21 Jun 2012 Updated 6 Aug 2024

Privileged guest users can trigger a buffer overflow in the virtio subsystem to crash the guest or escalate privileges.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2011-2212?

CVE-2011-2212 is a high-severity memory corruption vulnerability in Qemu Qemu, published on 21 Jun 2012. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Buffer overflow in the virtio subsystem in qemu-kvm 0.14.0 and earlier allows privileged guest users to cause a denial of service (guest crash) or gain privileges via a crafted indirect descriptor related to "virtqueue in and out requests."

Weakness: CWE-119

Which versions are affected by CVE-2011-2212?

It affects 1 product.

Products include Qemu Qemu.

How do I fix CVE-2011-2212?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2011-2212 being exploited?

There is no known exploitation of CVE-2011-2212 in the wild and no public exploit code.

All Qemu Qemu vulnerabilities

Sources

Also known as GHSA-f8fv-ww7g-87qv.