Vulnerability Details CVE-2014-1642
The IRQ setup in Xen 4.2.x and 4.3.x, when using device passthrough and configured to support a large number of CPUs, frees certain memory that may still be intended for use, which allows local guest administrators to cause a denial of service (memory corruption and hypervisor crash) and possibly execute arbitrary code via vectors related to an out-of-memory error that triggers a (1) use-after-free or (2) double free.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 39.8%
CVSS Severity
CVSS v2 Score 4.4
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127580.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127607.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://osvdb.org/102406
- http://secunia.com/advisories/56557
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2014/01/23/4
- http://www.securityfocus.com/bid/65097
- http://www.securitytracker.com/id/1029679
- http://xenbits.xen.org/xsa/advisory-83.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/90649
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127580.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127607.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://osvdb.org/102406
- http://secunia.com/advisories/56557
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://www.openwall.com/lists/oss-security/2014/01/23/4
- http://www.securityfocus.com/bid/65097
- http://www.securitytracker.com/id/1029679
- http://xenbits.xen.org/xsa/advisory-83.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/90649
Products affected by CVE-2014-1642
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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