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CVE-2015-4163
GNTTABOP_swap_grant_ref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause…
- 4.9MediumCVSS base score
- 0.44%Exploitation in 30 daysEPSS · top 62% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
GNTTABOP_swap_grant_ref in Xen 4.2 through 4.5 does not check the grant table operation version, which allows local guest domains to cause a denial of service (NULL pointer dereference) via a hypercall without a GNTTABOP_setup_table or GNTTABOP_set_version.
Timeline
ID reserved
By mitre
- 13 days later
· 13 days later
Published
- 9 years later
· 9 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)
- 0.44% · top 62% 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
10
- https://support.citrix.com/article/CTX206006 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-3286 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 75141 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- SUSE-SU-2015:1157 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://support.citrix.com/article/CTX201145 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2015:1045 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://xenbits.xen.org/xsa/advisory-134.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201604-03 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 1032568 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- SUSE-SU-2015:1042 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_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-2015-4187 (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-2015-4163)Record last updated .