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4.9
CVSSv2

CVE-2012-4538

Published: 24/11/2012 Updated: 29/08/2017
CVSS v2 Base Score: 4.9 | Impact Score: 6.9 | Exploitability Score: 3.9
VMScore: 436
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
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Vulnerability Summary

The HVMOP_pagetable_dying hypercall in Xen 4.0, 4.1, and 4.2 does not properly check the pagetable state when running on shadow pagetables, which allows a local HVM guest OS to cause a denial of service (hypervisor crash) via unspecified vectors.

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xen xen 4.1.0

xen xen 4.2.0

xen xen 4.0.0

Vendor Advisories

Debian Security Advisories: DSA-2582-1 xen -- several vulnerabilities
Multiple denial of service vulnerabilities have been discovered in the Xen Hypervisor One of the issue (CVE-2012-5513) could even lead to privilege escalation from guest to host Some of the recently published Xen Security Advisories (XSA 25 and 28) are not fixed by this update and should be fixed in a future release CVE-2011-3131 (XSA 5): DoS ...

References

CWE-20http://osvdb.org/87306http://lists.xen.org/archives/html/xen-announce/2012-11/msg00004.htmlhttp://www.securitytracker.com/id?1027762http://www.openwall.com/lists/oss-security/2012/11/13/3http://www.debian.org/security/2012/dsa-2582http://lists.opensuse.org/opensuse-security-announce/2012-12/msg00001.htmlhttp://secunia.com/advisories/51468http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00009.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00008.htmlhttp://www.securityfocus.com/bid/56498http://secunia.com/advisories/51200http://secunia.com/advisories/51352http://secunia.com/advisories/51413http://secunia.com/advisories/51324http://secunia.com/advisories/55082http://security.gentoo.org/glsa/glsa-201309-24.xmlhttp://lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.htmlhttps://security.gentoo.org/glsa/201604-03https://exchange.xforce.ibmcloud.com/vulnerabilities/80025https://www.debian.org/security/./dsa-2582https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
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