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CVE-2014-8595

Good to know:

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Date: 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.

Language: C

Severity Score

Related Resources (14)

http://secunia.com/advisories/62537
http://xenbits.xen.org/xsa/advisory-110.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/98768
https://nvd.nist.gov/vuln/detail/CVE-2014-8595
http://www.securityfocus.com/bid/71151
http://support.citrix.com/article/CTX200288
http://support.citrix.com/article/CTX201794
http://secunia.com/advisories/62672
https://security-tracker.debian.org/tracker/CVE-2014-8595
https://security.gentoo.org/glsa/201504-04
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
http://www.debian.org/security/2015/dsa-3140
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
https://www.mend.io/vulnerability-database/CVE-2014-8595

Severity Score

Weakness Type (CWE)

Code

CWE-17

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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