Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.1.0 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140199.ht
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140418.ht
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140483.ht
- 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
FAQ
What is CVE-2014-7188?
CVE-2014-7188 is a vulnerability with a CVSS score of 8.3 (HIGH). 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 cra...
How severe is CVE-2014-7188?
CVE-2014-7188 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-7188?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.