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CVE-2014-5149

Good to know:

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Date: August 22, 2014

Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5146.

Language: C

Severity Score

Related Resources (11)

http://xenbits.xen.org/xsa/advisory-97.html
https://nvd.nist.gov/vuln/detail/CVE-2014-5149
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html
https://security.gentoo.org/glsa/201504-04
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/95235
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
http://www.securitytracker.com/id/1030723
http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
http://www.securityfocus.com/bid/69199
https://www.mend.io/vulnerability-database/CVE-2014-5149

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

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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