CVE-2014-3647 Denial of service in n/a
Guest OS users can crash the guest system via a crafted application due to improper RIP handling in the Linux kernel KVM subsystem.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2014-3647?
CVE-2014-3647 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, and only if a user opens a file or follows a link.
Official description
arch/x86/kvm/emulate.c in the KVM subsystem in the Linux kernel through 3.17.2 does not properly perform RIP changes, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application.
Which versions are affected by CVE-2014-3647?
It affects 7 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Linux kernel, Opensuse Evergreen, Oracle Linux, Redhat Enterprise Linux and 1 more.
How do I fix CVE-2014-3647?
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-2014-3647 being exploited?
There is no known exploitation of CVE-2014-3647 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DEBIAN-CVE-2014-3647, GHSA-v5ch-j8v9-2r5x, UBUNTU-CVE-2014-3647.