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CVE-2014-8866

Date: December 1, 2014

The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vectors involving altering the high halves of registers while in 64-bit mode.

Language: C

Severity Score

Related Resources (13)

http://support.citrix.com/article/CTX200288
https://security-tracker.debian.org/tracker/CVE-2014-8866
http://support.citrix.com/article/CTX201794
http://www.securityfocus.com/bid/71332
http://xenbits.xen.org/xsa/advisory-111.html
http://secunia.com/advisories/62672
https://security.gentoo.org/glsa/201504-04
https://nvd.nist.gov/vuln/detail/CVE-2014-8866
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
http://secunia.com/advisories/59937
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-2014-8866

Severity Score

Weakness Type (CWE)

Code

CWE-17

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
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): COMPLETE
Additional information:

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