Vulnerability Details CVE-2014-5146
Certain MMU virtualization operations in Xen 4.2.x through 4.4.x before the xsa97-hap patch, when using Hardware Assisted Paging (HAP), 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-2014-5149.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 21.8%
CVSS Severity
CVSS v2 Score 4.7
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
- http://www.securityfocus.com/bid/69198
- http://www.securitytracker.com/id/1030723
- http://xenbits.xen.org/xsa/advisory-97.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/95234
- https://security.gentoo.org/glsa/201504-04
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136980.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136981.html
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
- http://www.securityfocus.com/bid/69198
- http://www.securitytracker.com/id/1030723
- http://xenbits.xen.org/xsa/advisory-97.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/95234
- https://security.gentoo.org/glsa/201504-04
Products affected by CVE-2014-5146
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cpe:2.3:o:opensuse:opensuse:13.1
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cpe:2.3:o:opensuse:opensuse:13.2
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cpe:2.3:o:xen:xen:4.2.0
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cpe:2.3:o:xen:xen:4.2.1
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cpe:2.3:o:xen:xen:4.2.2
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cpe:2.3:o:xen:xen:4.2.3
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cpe:2.3:o:xen:xen:4.3.0
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cpe:2.3:o:xen:xen:4.3.1
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cpe:2.3:o:xen:xen:4.4.0