Vulnerability DatabaseCVE-2014-8595
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CVE-2014-8595
November 19, 2014
arch/x86/x86_emulate/x86_emulate.c in Xen 3.2.1 through 4.4.x does not properly check privileges, which allows local HVM guest users to gain privileges or cause a denial of service (crash) via a crafted (1) CALL, (2) JMP, (3) RETF, (4) LCALL, (5) LJMP, or (6) LRET far branch instruction.
Related Resources (12)
http://www.securityfocus.com/bid/71151
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
http://www.debian.org/security/2015/dsa-3140
https://security.gentoo.org/glsa/201504-04
https://exchange.xforce.ibmcloud.com/vulnerabilities/98768
http://support.citrix.com/article/CTX200288
https://security-tracker.debian.org/tracker/CVE-2014-8595
http://secunia.com/advisories/62672
http://xenbits.xen.org/xsa/advisory-110.html
http://support.citrix.com/article/CTX201794
http://secunia.com/advisories/62537
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CVSS v4
Base Score:
7.5
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.4
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
1.9
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
EPSS
Base Score:
0.07