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CVE-2014-5149
Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local…
- 4.7MediumCVSS base score
- 0.43%Exploitation in 30 daysEPSS · top 63% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5146.
Timeline
ID reserved
By mitre
- 23 days later
· 23 days later
Published
- 10 years later
· 10 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.7 | AV:L/AC:M/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 0.43% · top 63% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.
Affected products
n/a
- affected n/a
References
9
- GLSA-201504-04 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- http://xenbits.xen.org/xsa/advisory-97.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2014-9472 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 1030723 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- FEDORA-2014-9493 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- openSUSE-SU-2015:0226 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 69199 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- openSUSE-SU-2015:0256 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- xen-cve20145149-dos(95235) (opens in a new tab)vdb-entryx_refsource_XFx_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)
- EUVD EUVD-2014-5047 (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)
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[](https://cveledger.app/cve/CVE-2014-5149)Record last updated .