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CVE-2017-15591

22
FAUCET Score

CVE-2017-15591 is a denial-of-service vulnerability affecting Xen versions 4.5.x through 4.9.x, where an attacker controlling a stub domain kernel or tool stack can crash the host OS due to a missing range comparison in the DMOP map/unmap implementation. With a CVSS score of 6.5 (Medium), this local attack requires low privileges and can lead to high availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.5.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.5.0:*:*:*:*:*:*:*
4.5.1CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.5.1:*:*:*:*:*:*:*
4.5.2CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.5.2:*:*:*:*:*:*:*
4.5.3CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.5.3:*:*:*:*:*:*:*
4.5.5CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.5.5:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
4.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.33%
Probability of exploitation in next 30 days
EPSS Percentile
25.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0033 is in the 82nd percentile among its peer group of 15,940 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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-2017-15591Moderate

xen: DMOP map/unmap missing argument checks (XSA-238)

Oct 12, 2017

References

security.gentoo.org / glsa/201801-14
xenbits.xen.org / xsa/advisory-238.html
Mailing ListMitigationPatchVendor Advisory