CVE-2016-9588 Denial of service in n/a
Guest OS users can crash the guest OS by mishandling exceptions in the Linux kernel KVM module, causing a denial of service.
- 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-2016-9588?
CVE-2016-9588 is a medium-severity denial of service vulnerability in Linux kernel, published on 28 Dec 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
arch/x86/kvm/vmx.c in the Linux kernel through 4.9 mismanages the #BP and #OF exceptions, which allows guest OS users to cause a denial of service (guest OS crash) by declining to handle an exception thrown by an L2 guest.
Weakness: CWE-388
Which versions are affected by CVE-2016-9588?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2016-9588?
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-2016-9588 being exploited?
There is no known exploitation of CVE-2016-9588 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2016-9588, GHSA-p75g-c3g7-8x4x, UBUNTU-CVE-2016-9588.