CVE-2012-6032 Integer overflow in n/a

Medium 4.9 Published 23 Nov 2012 Updated 6 Aug 2024

Local guest OS users can trigger integer overflows in Xen TMEM to cause memory corruption and host crash, resulting in denial of service.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: Available

What is CVE-2012-6032?

CVE-2012-6032 is a medium-severity vulnerability in Xen Xen, published on 23 Nov 2012. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Multiple integer overflows in the (1) tmh_copy_from_client and (2) tmh_copy_to_client functions in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service (memory corruption and host crash) via unspecified vectors. NOTE: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.

Weakness: CWE-189

Which versions are affected by CVE-2012-6032?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2012-6032?

Apply the vendor's patch.

Is CVE-2012-6032 being exploited?

There is no known exploitation of CVE-2012-6032 in the wild and no public exploit code.

All Xen Xen vulnerabilities

Sources

Also known as DEBIAN-CVE-2012-6032, GHSA-7c3m-cjc4-58wg.