CVE-2017-14318

mediumpriority · track · 26EPSS 0.004 · 29 %ileEUFRUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.35% (29th) EPSS

CVSS 4.9 · medium

Is it mine?

19 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · certfr

EPSS · scored 2026-10-27

An issue was discovered in Xen 4.5.x through 4.9.x. The function `__gnttab_cache_flush` handles GNTTABOP_cache_flush grant table operations. It checks to see if the calling domain is the owner of the page that is to be operated on. If it is not, the owner's grant table is checked to see if a grant mapping to the calling domain exists for the page in question. However, the function does not check to see if the owning domain actually has a grant table or not. Some special domains, such as `DOMID_XEN`, `DOMID_IO` and `DOMID_COW` are created without grant tables. Hence, if __gnttab_cache_flush operates on a page owned by these special domains, it will attempt to dereference a NULL pointer in the domain struct.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.9mediumAV:L/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.9 · impact 6.9

v3.06.5mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2 · impact 4

v3.06mediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USprimary

affected products (19)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
xen xen= 4.5.0nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.5.1nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.5.2nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.5.3nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.5.5nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.6.0nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.6.1nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.6.3nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.6.4nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.6.5nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.6.6nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.7.0nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.7.1nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.7.2nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.7.3nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.8.0nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.8.1nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
xen xen= 4.9.0nvdUScpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

CERTFR-2026-AVI-1302Multiples vulnérabilités dans XenFrançais2026-10-14vendor · certfrFR

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd certfr NVD CVE.org MITRE

published 2017-09-12modified 2026-06-17

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+8783 more

references (11)

External citations — patches, advisories, analysis.

http://xenbits.xen.org/xsa/advisory-232.html cnnvd
http://www.securityfocus.com/bid/100817 enisa_euvd
http://www.securitytracker.com/id/1039349 enisa_euvd
http://xenbits.xen.org/xsa/advisory-232.html enisa_euvd
https://support.citrix.com/article/CTX227185 enisa_euvd
https://www.debian.org/security/2017/dsa-4050 enisa_euvd
http://www.securityfocus.com/bid/100817Third Party AdvisoryVDB Entrynvd
http://www.securitytracker.com/id/1039349Third Party AdvisoryVDB Entrynvd

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