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CVE-2016-3713

UnknownEPSS 0.34%

Last modified

CVE-2016-3713 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.34% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.34%

26.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel<= 4.6

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-3713?
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.
How severe is CVE-2016-3713?
Severity scoring for CVE-2016-3713 is pending analysis. The EPSS model estimates a 0.34% probability of exploitation in the next 30 days.
How do I fix CVE-2016-3713?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-3713?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST