PT-2014-2120 · Citrix+1 · Xen+1

Eugene Teo · Published 2011-07-15 · Updated 2014-02-25 · CVE-2011-1936

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

AV:A/AC:H/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Xen (affected versions not specified)

Description The issue is related to the handling of cpuid instruction emulation when exiting the VM. Local guest users can cause a denial of service, resulting in a guest crash, via unspecified vectors when using x86 Intel processors and the VMX virtualization extension is enabled.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2011-1936

RHSA-2011:0927

RHSA-2011_0927

Affected Products

Red Hat

Xen

References · 30

• https://bdu.fstec.ru/vul/2015-04343 · Security Note
• https://bdu.fstec.ru/vul/2015-04342 · Security Note
• http://rhn.redhat.com/errata/RHSA-2011-0927.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2015-04341 · Security Note
• https://bdu.fstec.ru/vul/2014-00069 · Security Note
• https://bdu.fstec.ru/vul/2015-04607 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2011-1936 · Security Note
• https://bdu.fstec.ru/vul/2015-04359 · Security Note
• https://github.com/torvalds/linux/commit/da48524eb20662618854bb3df2db01fc65f3070c · Note
• https://access.redhat.com/security/cve/CVE-2010-4649 · Note
• https://access.redhat.com/security/cve/CVE-2011-0711 · Note
• https://access.redhat.com/security/cve/CVE-2011-2022 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=695383 · Note
• https://access.redhat.com/security/cve/CVE-2011-1745 · Note
• https://access.redhat.com/security/cve/CVE-2011-1746 · Note