CVE-2015-2150 Denial of service in n/a

Medium 4.9 Published Updated

Local guest OS users can crash the host system by manipulating PCI command registers in Xen or Linux kernels.

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-2015-2150?

CVE-2015-2150 is a medium-severity denial of service vulnerability in Linux kernel, published on 12 Mar 2015. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Xen 3.3.x through 4.5.x and the Linux kernel through 3.19.1 do not properly restrict access to PCI command registers, which might allow local guest OS users to cause a denial of service (non-maskable interrupt and host crash) by disabling the (1) memory or (2) I/O decoding for a PCI Express device and then accessing the device, which triggers an Unsupported Request (UR) response.

Weakness: CWE-264

Which versions are affected by CVE-2015-2150?

It affects 3 products.

Products include Linux kernel, Ubuntu Ubuntu, Xen Xen.

How do I fix CVE-2015-2150?

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-2015-2150 being exploited?

There is no known exploitation of CVE-2015-2150 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-2150, GHSA-w7jv-fgrf-v497, UBUNTU-CVE-2015-2150.

Is CVE-2015-2150 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free