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CVE-2017-14319

28
FAUCET Score

CVE-2017-14319 is a grant unmapping issue affecting Xen through version 4.9.x, where an x86 PV specific path fails to properly synchronize page table entries when removing or replacing grant mappings. This vulnerability has a high CVSS score of 8.8, indicating a local attack vector with low complexity, allowing for high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.9.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 73rd percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xen

Vendor Advisories (1)

redhatCVE-2017-14319Important

xen: insufficient grant unmapping checks for x86 PV guests (XSA-234)

Sep 12, 2017

References

lists.debian.org / debian-lts-announce/2018/10/msg00009.html
support.citrix.com / article/CTX227185
debian.org / security/2017/dsa-4050
securityfocus.com / bid/100819
Third Party AdvisoryVDB Entry
securitytracker.com / id/1039351
Third Party AdvisoryVDB Entry
xenbits.xen.org / xsa/advisory-234.html
PatchVendor Advisory