CVE-2016-3713

 

Published at: - 27-06-2016 12:59

Last modified: - 26-10-2022 01:44

Total changes: - 3

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

 

Verification logic

 

Reference

• https://bugzilla.redhat.com/show_bug.cgi?id=1332139
• [oss-security] 20160516 CVE-2016-3713 Linux kernel: kvm: OOB r/w access issue with MSR 0x2F8-
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9842df62004f366b9fed2423e24df10542ee0dc5
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1
• https://github.com/torvalds/linux/commit/9842df62004f366b9fed2423e24df10542ee0dc5

 

Keywords

NVD

 

CVE-2016-3713

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures