Vulnerability Description
The do_physdev_op function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the (1) PHYSDEVOP_prepare_msix and (2) PHYSDEVOP_release_msix operations, which allows local PV guests to cause a denial of service (host or guest malfunction) or possibly gain privileges via unspecified vectors.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | 4.1.5 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127580.h
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127607.h
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
- http://osvdb.org/102536
- http://secunia.com/advisories/56650Vendor Advisory
- http://security.gentoo.org/glsa/glsa-201407-03.xml
- http://support.citrix.com/article/CTX200288
- http://www.openwall.com/lists/oss-security/2014/01/24/6
- http://www.securityfocus.com/bid/65125
- http://www.securitytracker.com/id/1029684
- http://xenbits.xen.org/xsa/advisory-87.html
- http://xenbits.xen.org/xsa/xsa87-unstable-4.3.patchPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/90675
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127580.h
FAQ
What is CVE-2014-1666?
CVE-2014-1666 is a vulnerability with a CVSS score of 8.3 (HIGH). The do_physdev_op function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the (1) PHYSDEVOP_prepare_msix and (2) PHYSDEVOP_release_msix operations, which al...
How severe is CVE-2014-1666?
CVE-2014-1666 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-2014-1666?
Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen.