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4.7
CVSSv2

CVE-2012-3496

Published: 23/11/2012 Updated: 29/08/2017
CVSS v2 Base Score: 4.7 | Impact Score: 6.9 | Exploitability Score: 3.4
VMScore: 418
Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C

Vulnerability Summary

XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and previous versions, when translating paging mode is not used, allows local PV OS guest kernels to cause a denial of service (BUG triggered and host crash) via invalid flags such as MEMF_populate_on_demand.

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xen xen 4.0.0

xen xen 4.1.0

xen xen 4.2.0

citrix xenserver

Vendor Advisories

Debian Security Advisories: DSA-2544-1 xen -- denial of service
Multiple denial of service vulnerabilities have been discovered in Xen, an hypervisor The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2012-3494: It was discovered that set_debugreg allows writes to reserved bits of the DR7 debug control register on amd64 (x86-64) paravirtualised guests, allowing ...

References

CWE-16http://support.citrix.com/article/CTX134708http://secunia.com/advisories/50530http://lists.xen.org/archives/html/xen-announce/2012-09/msg00002.htmlhttp://secunia.com/advisories/50472http://securitytracker.com/id?1027481http://www.debian.org/security/2012/dsa-2544https://bugzilla.redhat.com/show_bug.cgi?id=854590http://www.securityfocus.com/bid/55412http://wiki.xen.org/wiki/Security_Announcements#XSA-14_XENMEM_populate_physmap_DoS_vulnerabilityhttp://www.openwall.com/lists/oss-security/2012/09/05/7http://www.osvdb.org/85200http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.htmlhttp://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.htmlhttp://secunia.com/advisories/51413http://secunia.com/advisories/55082http://security.gentoo.org/glsa/glsa-201309-24.xmlhttp://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.htmlhttps://security.gentoo.org/glsa/201604-03https://exchange.xforce.ibmcloud.com/vulnerabilities/78267https://nvd.nist.govhttps://www.debian.org/security/./dsa-2544
VMScore
CVSSv2
CVSSv3
VMScore
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