Vulnerability Details CVE-2013-1917
Xen 3.1 through 4.x, when running 64-bit hosts on Intel CPUs, does not clear the NT flag when using an IRET after a SYSENTER instruction, which allows PV guest users to cause a denial of service (hypervisor crash) by triggering a #GP fault, which is not properly handled by another IRET instruction.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 23.2%
CVSS Severity
CVSS v2 Score 1.9
References
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104537.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00049.html
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.debian.org/security/2012/dsa-2662
- http://www.openwall.com/lists/oss-security/2013/04/18/8
- http://www.securitytracker.com/id/1028455
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104537.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
- http://lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
- http://lists.opensuse.org/opensuse-updates/2013-06/msg00049.html
- http://secunia.com/advisories/55082
- http://security.gentoo.org/glsa/glsa-201309-24.xml
- http://www.debian.org/security/2012/dsa-2662
- http://www.openwall.com/lists/oss-security/2013/04/18/8
- http://www.securitytracker.com/id/1028455
Products affected by CVE-2013-1917
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cpe:2.3:o:xen:xen:3.1.3
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cpe:2.3:o:xen:xen:3.1.4
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cpe:2.3:o:xen:xen:3.2.0
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cpe:2.3:o:xen:xen:3.2.1
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cpe:2.3:o:xen:xen:3.2.2
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cpe:2.3:o:xen:xen:3.2.3
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cpe:2.3:o:xen:xen:3.3.0
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cpe:2.3:o:xen:xen:3.3.1
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cpe:2.3:o:xen:xen:3.3.2
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cpe:2.3:o:xen:xen:3.4.0
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cpe:2.3:o:xen:xen:3.4.1
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cpe:2.3:o:xen:xen:3.4.2
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cpe:2.3:o:xen:xen:3.4.3
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cpe:2.3:o:xen:xen:3.4.4
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cpe:2.3:o:xen:xen:4.0.0
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cpe:2.3:o:xen:xen:4.0.1
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cpe:2.3:o:xen:xen:4.0.2
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cpe:2.3:o:xen:xen:4.0.3
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cpe:2.3:o:xen:xen:4.0.4
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cpe:2.3:o:xen:xen:4.1.0
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cpe:2.3:o:xen:xen:4.1.1
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cpe:2.3:o:xen:xen:4.1.2
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cpe:2.3:o:xen:xen:4.1.3
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cpe:2.3:o:xen:xen:4.1.4
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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