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CVE
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CVE-2016-8630Date: (C)2016-11-28   (M)2019-06-12


The x86_decode_insn function in arch/x86/kvm/emulate.c in the Linux kernel before 4.8.7, when KVM is enabled, allows local users to cause a denial of service (host OS crash) via a certain use of a ModR/M byte in an undefined instruction.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 5.5CVSS Score : 4.9
Exploit Score: 1.8Exploit Score: 3.9
Impact Score: 3.6Impact Score: 6.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: COMPLETE
Integrity: NONE 
Availability: HIGH 
  
Reference:
BID-94459
RHSA-2017:0386
RHSA-2017:0387
http://www.openwall.com/lists/oss-security/2016/11/22/3
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d9092f52d7e61dd1557f2db2400ddb430e85937e
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.7
https://bugzilla.redhat.com/show_bug.cgi?id=1393350
https://github.com/torvalds/linux/commit/d9092f52d7e61dd1557f2db2400ddb430e85937e

CPE    1
cpe:/o:linux:linux_kernel:4.8.6
CWE    1
CWE-284
OVAL    18
oval:org.secpod.oval:def:703410
oval:org.secpod.oval:def:51695
oval:org.secpod.oval:def:51694
oval:org.secpod.oval:def:703414
...

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