CVE-2011-1780 Race condition in n/a
Local guest users can crash the host system via a race condition in Xen instruction emulation, requiring a patch to mitigate.
- 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-2011-1780?
CVE-2011-1780 is a medium-severity vulnerability in Xen Xen, published on 7 Jan 2014. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The instruction emulation in Xen 3.0.3 allows local SMP guest users to cause a denial of service (host crash) by replacing the instruction that causes the VM to exit in one thread with a different instruction in a different thread.
Weakness: CWE-20
Which versions are affected by CVE-2011-1780?
It affects 1 product.
Products include Xen Xen.
How do I fix CVE-2011-1780?
Apply the vendor's patch.
Is CVE-2011-1780 being exploited?
There is no known exploitation of CVE-2011-1780 in the wild and no public exploit code.
Other vulnerabilities in Xen Xen
Sources
Also known as GHSA-8pmg-vx2g-j2cx.