CVE-2013-0231 Denial of service in n/a
Guest OS users with PCI access can cause denial of service by flooding kernel logs in the Xen PCI backend driver.
- 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-2013-0231?
CVE-2013-0231 is a medium-severity denial of service vulnerability in Linux kernel, published on 13 Feb 2013. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The pciback_enable_msi function in the PCI backend driver (drivers/xen/pciback/conf_space_capability_msi.c) in Xen for the Linux kernel 2.6.18 and 3.8 allows guest OS users with PCI device access to cause a denial of service via a large number of kernel log messages. NOTE: some of these details are obtained from third party information.
Weakness: CWE-119
Which versions are affected by CVE-2013-0231?
It affects 2 products.
Products include Linux kernel, Xen Xen.
How do I fix CVE-2013-0231?
Apply the vendor's patch.
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-2013-0231 being exploited?
There is no known exploitation of CVE-2013-0231 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2013-0231, GHSA-p9q5-jhcx-489h.