CVE-2014-3610 Denial of service in n/a

Medium 5.5 Published Updated

Guest OS users can crash the host OS by writing a non-canonical address to a model-specific register in the KVM subsystem.

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-2014-3610?

CVE-2014-3610 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 10 Nov 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The WRMSR processing functionality in the KVM subsystem in the Linux kernel through 3.17.2 does not properly handle the writing of a non-canonical address to a model-specific register, which allows guest OS users to cause a denial of service (host OS crash) by leveraging guest OS privileges, related to the wrmsr_interception function in arch/x86/kvm/svm.c and the handle_wrmsr function in arch/x86/kvm/vmx.c.

Which versions are affected by CVE-2014-3610?

It affects 5 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Opensuse Evergreen, Suse Suse Linux Enterprise Server.

How do I fix CVE-2014-3610?

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-2014-3610 being exploited?

There is no known exploitation of CVE-2014-3610 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-3610, GHSA-f8g7-wvf8-qh5r, UBUNTU-CVE-2014-3610.

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