Description
The hvm_msr_read_intercept function in arch/x86/hvm/hvm.c in Xen 4.1 through 4.4.x uses an improper MSR range for x2APIC emulation, which allows local HVM guests to cause a denial of service (host crash) or read data from the hypervisor or other guests via unspecified vectors.
Metrics
CVSS 2.0 8.3/10
AV:A/AC:L/Au:N/C:C/I:C/A:CWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140199.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
- http://secunia.com/advisories/61664
- http://secunia.com/advisories/61858
- http://secunia.com/advisories/61890
- http://security.gentoo.org/glsa/glsa-201412-42.xml
- http://support.citrix.com/article/CTX200218
- http://support.citrix.com/article/CTX201794
- http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
- http://www.debian.org/security/2014/dsa-3041
- http://www.securityfocus.com/bid/70198
- http://www.securitytracker.com/id/1030936
- http://xenbits.xen.org/xsa/advisory-108.htmlPatch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96785
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140199.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
- http://secunia.com/advisories/61664
- http://secunia.com/advisories/61858
- http://secunia.com/advisories/61890
- http://security.gentoo.org/glsa/glsa-201412-42.xml
- http://support.citrix.com/article/CTX200218
- http://support.citrix.com/article/CTX201794
- http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
- http://www.debian.org/security/2014/dsa-3041
- http://www.securityfocus.com/bid/70198
- http://www.securitytracker.com/id/1030936
- http://xenbits.xen.org/xsa/advisory-108.htmlPatch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96785
Timeline
- Published
- Oct 2, 2014
- Last modified
- Jun 17, 2026
- NVD status
- Modified