CVE-2017-14319: n/a vulnerability

CVE-2017-14319: A grant unmapping issue was discovered in Xen through 4.9.x.

A grant unmapping issue was discovered in Xen through 4.9.x. When removing or replacing a grant mapping, the x86 PV specific path needs to make sure page table entries remain in sync with other accounting done. Although the identity of the page frame was validated correctly, neither the presence of the mapping nor page writability were taken into account.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 5, 2024, 19:20 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2017-14319 is a Xen hypervisor issue involving grant mapping cleanup on x86 PV paths. The provided sources do not state business impact, CVSS severity, or confirmed exploitation, but hypervisor flaws can affect tenant isolation and should be assessed wherever Xen through 4.9.x is used. Organizations running Xen hypervisors through 4.9.x, especially with x86 PV guest configurations, are the likely exposure group. Citrix and Debian advisories indicate downstream packaged environments may also require vendor-specific review. Treat as a targeted infrastructure hygiene item, not an internet-wide emergency based on supplied evidence. Prioritize confirmation on Xen hosts because hypervisor issues can carry outsized business risk if isolation assumptions fail. Mitigation focus: Review Xen XSA-234 for the authoritative vendor remediation path.; Check Citrix CTX227185 if using Citrix XenServer or related products.; Apply Debian security updates where Debian DSA-4050 or DLA-1549-1 applies..

Prepared: Jun 12, 2026, 21:19 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Sep 12, 2017, 15:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

4Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://support.citrix.com/article/CTX227185CVE reference · x_refsource_CONFIRM
DSA-4050CVE reference · vendor-advisory, x_refsource_DEBIAN
[debian-lts-announce] 20181018 [SECURITY] [DLA 1549-1] xen security updateCVE reference · mailing-list, x_refsource_MLIST

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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