CVE-2014-1666
HIGH · CVSS 8.3EPSS 0.9%EU EUVD
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.
Key facts
- CVSS score
- 8.3 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:A/AC:L/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-264
- EPSS score
- 0.9% (59th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2014-1740)
- Published
- January 26, 2014
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2014-1740 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
- xen / xen
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127580.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127607.html
- 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/56650(Vendor 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.patch(Patch, Vendor Advisory)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/90675
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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