CVE-2012-1601 Null dereference in n/a
Local users can crash the host OS via a NULL pointer dereference in the KVM implementation by triggering a specific ioctl sequence.
- 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-2012-1601?
CVE-2012-1601 is a medium-severity vulnerability in Linux kernel, published on 17 May 2012. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The KVM implementation in the Linux kernel before 3.3.6 allows host OS users to cause a denial of service (NULL pointer dereference and host OS crash) by making a KVM_CREATE_IRQCHIP ioctl call after a virtual CPU already exists.
Weakness: CWE-399
Which versions are affected by CVE-2012-1601?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2012-1601?
Upgrade to a fixed version.
Is CVE-2012-1601 being exploited?
There is no known exploitation of CVE-2012-1601 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as GHSA-p5fv-h55x-j3mr.