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CVE-2014-9066

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Date: December 9, 2014

Xen 4.4.x and earlier, when using a large number of VCPUs, does not properly handle read and write locks, which allows local x86 guest users to cause a denial of service (write denial or NMI watchdog timeout and host crash) via a large number of read requests, a different vulnerability than CVE-2014-9065.

Language: C

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2014-9066
http://www.openwall.com/lists/oss-security/2014/12/08/4
http://www.securityfocus.com/bid/71546
https://security.gentoo.org/glsa/201504-04
http://xenbits.xen.org/xsa/advisory-114.html
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
https://security-tracker.debian.org/tracker/CVE-2014-9066
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
https://www.mend.io/vulnerability-database/CVE-2014-9066

Severity Score

Weakness Type (CWE)

Code

CWE-17

Top Fix

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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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