CVE-2009-3572 Denial of service in n/a

Medium 4.9 Published 6 Oct 2009 Updated 17 Sep 2024

Local attackers can cause a kernel panic and denial of service on OpenBSD i386 systems by triggering improper XMM exception handling.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2009-3572?

CVE-2009-3572 is a medium-severity denial of service vulnerability in Openbsd Openbsd, published on 6 Oct 2009. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

OpenBSD 4.4, 4.5, and 4.6, when running on an i386 kernel, does not properly handle XMM exceptions, which allows local users to cause a denial of service (kernel panic) via unspecified vectors.

Which versions are affected by CVE-2009-3572?

It affects 1 product.

Products include Openbsd Openbsd.

How do I fix CVE-2009-3572?

No fix has been published for CVE-2009-3572 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2009-3572 being exploited?

There is no known exploitation of CVE-2009-3572 in the wild and no public exploit code.

All Openbsd Openbsd vulnerabilities

Sources

Also known as GHSA-jc9j-c739-vr4w.