Unrated severityNVD Advisory· Published Jan 26, 2014· Updated Jun 17, 2026
CVE-2014-1666
CVE-2014-1666
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:*+ 6 more
- cpe:2.3:o:xen:xen:4.1.5:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.6.1:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.3.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.3.1:*:*:*:*:*:*:*
- (no CPE)range: 4.1.5, 4.1.6.1, 4.2.2-4.2.3, 4.3.x
Patches
Vulnerability mechanics
References
14- xenbits.xen.org/xsa/xsa87-unstable-4.3.patchnvdPatchVendor Advisory
- secunia.com/advisories/56650nvdVendor Advisory
- lists.fedoraproject.org/pipermail/package-announce/2014-February/127580.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2014-February/127607.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2014-03/msg00010.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.htmlnvd
- osvdb.org/102536nvd
- security.gentoo.org/glsa/glsa-201407-03.xmlnvd
- support.citrix.com/article/CTX200288nvd
- www.openwall.com/lists/oss-security/2014/01/24/6nvd
- www.securityfocus.com/bid/65125nvd
- www.securitytracker.com/id/1029684nvd
- xenbits.xen.org/xsa/advisory-87.htmlnvd
- exchange.xforce.ibmcloud.com/vulnerabilities/90675nvd
News mentions
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