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CVE-2016-3713 Detail

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

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CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9842df62004f366b9fed2423e24df10542ee0dc5 Vendor Advisory 
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.6.1
http://www.openwall.com/lists/oss-security/2016/05/16/2
https://bugzilla.redhat.com/show_bug.cgi?id=1332139
https://github.com/torvalds/linux/commit/9842df62004f366b9fed2423e24df10542ee0dc5 Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-284 Improper Access Control cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-3713
NVD Published Date:
06/27/2016
NVD Last Modified:
06/27/2016
Source:
Red Hat, Inc.