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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 properly restrict access to the (1)…
High8.3EPSS 0.88%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High8.3 | AV:A/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 0.88% · top 41% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.3.
Weakness
Affected products
n/a
- affected n/a
References (14)
- 102536 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 65125 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- xen-cve20141666-priv-esc(90675) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- SUSE-SU-2014:0373 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2014-1552 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- http://support.citrix.com/article/CTX200288 (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201407-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- FEDORA-2014-1559 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [oss-security] 20140123 Xen Security Advisory 87 (CVE-2014-1666) - PHYSDEVOP_{prepare,release}_msix exposed to unprivileged guests (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 1029684 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- SUSE-SU-2014:0372 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://xenbits.xen.org/xsa/advisory-87.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 56650 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://xenbits.xen.org/xsa/xsa87-unstable-4.3.patch (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2014-1666)Record last updated .