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CVE-2014-7156
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions…
- 3.3LowCVSS base score
- 0.85%Exploitation in 30 daysEPSS · top 42% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The x86_emulate function in arch/x86/x86_emulate/x86_emulate.c in Xen 3.3.x through 4.4.x does not check the supervisor mode permissions for instructions that generate software interrupts, which allows local HVM guest users to cause a denial of service (guest crash) via unspecified vectors.
Timeline
ID reserved
By mitre
- 8 days later
· 8 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 | Low3.3 | AV:A/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 0.85% · top 42% 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: Low 3.3.
Affected products
n/a
- affected n/a
References
13
- openSUSE-SU-2014:1281 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2014-12000 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- http://xenbits.xen.org/xsa/advisory-106.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2014:1279 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://support.citrix.com/article/CTX200218 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 70062 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- FEDORA-2014-12036 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 1030889 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- DSA-3041 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 61858 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 61890 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 61500 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- GLSA-201412-42 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_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-2014-7033 (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-2014-7156)Record last updated .