CVE-2017-8106 Null dereference in n/a
Privileged KVM guest users can crash the host OS via a NULL pointer dereference in the INVEPT instruction handler.
- 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-2017-8106?
CVE-2017-8106 is a medium-severity vulnerability in Linux kernel, published on 24 Apr 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The handle_invept function in arch/x86/kvm/vmx.c in the Linux kernel 3.12 through 3.15 allows privileged KVM guest OS users to cause a denial of service (NULL pointer dereference and host OS crash) via a single-context INVEPT instruction with a NULL EPT pointer.
Weakness: CWE-476
Which versions are affected by CVE-2017-8106?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2017-8106?
Apply the vendor's patch.
Is CVE-2017-8106 being exploited?
There is no known exploitation of CVE-2017-8106 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2017-8106, GHSA-xv97-pm64-w44m, UBUNTU-CVE-2017-8106.