CVE-2014-1666
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...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2014-1666- CVSS 2.0
- 8.3 High
AV:A/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2014-1666- Updated
- 2026-11-02
EUVDEUVD-2014-1740 No score
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.
- Record
EUVD-2014-1740- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3fc4-5q4x-p7j8 No score
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...
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.
- Record
GHSA-3fc4-5q4x-p7j8- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2014-1666- Updated
- 2026-11-02
OSVDEBIAN-CVE-2014-1666 No score
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.
- Record
DEBIAN-CVE-2014-1666- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-1666 is a high vulnerability (CVSS 8.3) in Xen, published January 26, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. Fixed in xen 4.4.0-1.
References
osvdb.org/102536
securityfocus.com/bid/65125
exchange.xforce.ibmcloud.com/vulnerabilities/90675
lists.opensuse.org/opensuse-security-announce/2014-03/msg00011.html
lists.fedoraproject.org/pipermail/package-announce/2014-February/127607.html
support.citrix.com/article/CTX200288
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security.gentoo.org/glsa/glsa-201407-03.xml
openwall.com/lists/oss-security/2014/01/24/6
securitytracker.com/id/1029684
xenbits.xen.org/xsa/advisory-87.html
secunia.com/advisories/56650
nvd.nist.gov/vuln/detail/CVE-2014-1666
github.com/advisories/GHSA-3fc4-5q4x-p7j8
security-tracker.debian.org/tracker/CVE-2014-1666