CVE-2014-3611 Race condition in n/a

Medium 4.7 Published Updated

A race condition in the Linux kernel KVM subsystem allows guest users to crash the host system via incorrect PIT emulation.

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-2014-3611?

CVE-2014-3611 is a medium-severity 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

Race condition in the __kvm_migrate_pit_timer function in arch/x86/kvm/i8254.c in the KVM subsystem in the Linux kernel through 3.17.2 allows guest OS users to cause a denial of service (host OS crash) by leveraging incorrect PIT emulation.

Weakness: CWE-362

Which versions are affected by CVE-2014-3611?

It affects 4 products.

Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Redhat Enterprise Linux.

How do I fix CVE-2014-3611?

Apply the vendor's patch.

Is CVE-2014-3611 being exploited?

There is no known exploitation of CVE-2014-3611 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2014-3611, GHSA-fjrx-4j65-6mrx, UBUNTU-CVE-2014-3611.

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