CVE-2014-7188 | BDVDB-2026-64598 Detail
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00003.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.html
- http://support.citrix.com/article/CTX201794
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00002.html
- http://support.citrix.com/article/CTX200218
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140199.html
- http://www.c7zero.info/stuff/csw2017_ExploringYourSystemDeeper_updated.pdf
- http://www.securitytracker.com/id/1030936
- http://xenbits.xen.org/xsa/advisory-108.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.html
- http://secunia.com/advisories/61664
- http://www.debian.org/security/2014/dsa-3041
- http://secunia.com/advisories/61858
- http://secunia.com/advisories/61890
- http://security.gentoo.org/glsa/glsa-201412-42.xml
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.