CVE-2016-3713 Information disclosure in n/a
Guest OS users can read or write KVM data structures via crafted ioctl calls, leading to information disclosure or system crashes.
- 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-2016-3713?
CVE-2016-3713 is a high-severity vulnerability in Linux kernel, published on 27 Jun 2016. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The msr_mtrr_valid function in arch/x86/kvm/mtrr.c in the Linux kernel before 4.6.1 supports MSR 0x2f8, which allows guest OS users to read or write to the kvm_arch_vcpu data structure, and consequently obtain sensitive information or cause a denial of service (system crash), via a crafted ioctl call.
Weakness: CWE-284
Which versions are affected by CVE-2016-3713?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2016-3713?
Apply the vendor's patch.
Is CVE-2016-3713 being exploited?
There is no known exploitation of CVE-2016-3713 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2016-3713, GHSA-rq49-9828-pwwr, UBUNTU-CVE-2016-3713.