CVE-2012-3496

medium

Description

XENMEM_populate_physmap in Xen 4.0, 4.1, and 4.2, and Citrix XenServer 6.0.2 and earlier, 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.

References

http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00003.html

http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00004.html

http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00012.html

http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00017.html

http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00018.html

http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00017.html

http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00018.html

http://lists.xen.org/archives/html/xen-announce/2012-09/msg00002.html

http://secunia.com/advisories/50472

http://secunia.com/advisories/50530

http://secunia.com/advisories/51413

http://secunia.com/advisories/55082

http://security.gentoo.org/glsa/glsa-201309-24.xml

http://securitytracker.com/id?1027481

http://support.citrix.com/article/CTX134708

http://wiki.xen.org/wiki/Security_Announcements#XSA-14_XENMEM_populate_physmap_DoS_vulnerability

http://www.debian.org/security/2012/dsa-2544

http://www.openwall.com/lists/oss-security/2012/09/05/7

http://www.osvdb.org/85200

http://www.securityfocus.com/bid/55412

https://bugzilla.redhat.com/show_bug.cgi?id=854590

https://exchange.xforce.ibmcloud.com/vulnerabilities/78267

https://security.gentoo.org/glsa/201604-03

Details

Source: MITRE

Published: 2012-11-23

Updated: 2017-08-29

Type: CWE-16

Risk Information

CVSS v2

Base Score: 4.7

Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.4

Severity: MEDIUM