Back
CVE-2014-8867
The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped…
- 4.9MediumCVSS base score
- 0.46%Exploitation in 30 daysEPSS · top 59% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.
Timeline
ID reserved
By mitre
- 17 days later
· 17 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 | Medium4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 0.46% · top 59% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.
Affected products
n/a
- affected n/a
References
12
- RHSA-2015:0783 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- GLSA-201504-04 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 62672 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://support.citrix.com/article/CTX201794 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://support.citrix.com/article/CTX200288 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-3140 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- openSUSE-SU-2015:0226 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705 (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2015:0256 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://xenbits.xenproject.org/xsa/advisory-112.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 59949 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 71331 (opens in a new tab)vdb-entryx_refsource_BIDx_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-2014-8697 (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://cveledger.app/cve/CVE-2014-8867)Record last updated .