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CVE
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CVE-2016-7094Date: (C)2016-09-26   (M)2023-12-22


Buffer overflow in Xen 4.7.x and earlier allows local x86 HVM guest OS administrators on guests running with shadow paging to cause a denial of service via a pagetable update.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 4.1CVSS Score : 1.5
Exploit Score: 0.5Exploit Score: 2.7
Impact Score: 3.6Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: HIGHAccess Complexity: MEDIUM
Privileges Required: HIGHAuthentication: SINGLE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: PARTIAL
Integrity: NONE 
Availability: HIGH 
  
Reference:
SECTRACK-1036753
BID-92864
DSA-3663
GLSA-201611-09
http://support.citrix.com/article/CTX216071
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://xenbits.xen.org/xsa/advisory-187.html
http://xenbits.xen.org/xsa/xsa187-0001-x86-shadow-Avoid-overflowing-sh_ctxt-seg_reg.patch

CWE    1
CWE-119
OVAL    6
oval:org.secpod.oval:def:1800888
oval:org.secpod.oval:def:111357
oval:org.secpod.oval:def:111316
oval:org.secpod.oval:def:1800519
...

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