CVE-2007-5907 Privilege escalation in n/a

Medium 4.7 Published Updated

A local attacker in a paravirtualized guest can modify CR4 TSC to crash the host, causing denial of service and potential privilege escalation.

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-2007-5907?

CVE-2007-5907 is a medium-severity vulnerability in n/a, published on 9 Nov 2007. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Xen 3.1.1 does not prevent modification of the CR4 TSC from applications, which allows pv guests to cause a denial of service (crash).

Weakness: CWE-264

Which versions are affected by CVE-2007-5907?

It affects 1 product.

Products include Xensource Inc Xen.

How do I fix CVE-2007-5907?

Apply the vendor's patch.

Is CVE-2007-5907 being exploited?

There is no known exploitation of CVE-2007-5907 in the wild and no public exploit code.

Sources

Also known as GHSA-qgxw-cvg4-3v23.

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