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CVE-2015-6654

11
FAUCET Score

CVE-2015-6654 describes a denial-of-service vulnerability in Xen versions 4.5.x, 4.4.x, and earlier, specifically within the xenmem_add_to_physmap_one function. This flaw allows remote domains with memory mapping permissions to exhaust system resources by triggering an excessive number of console messages when failing to retrieve a foreign page reference. The vulnerability has a low CVSS score (2.1) with a local attack vector and low complexity, leading to a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.4.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.4.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

AV:L/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.40%
Probability of exploitation in next 30 days
EPSS Percentile
33.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0040 is in the 58th percentile among its peer group of 2,096 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

redhatCVE-2015-6654Low

xen: printk is not rate-limited in xenmem_add_to_physmap_one

Sep 1, 2015

References

debian.org / security/2015/dsa-3414
securitytracker.com / id/1033438
xenbits.xen.org / xsa/advisory-141.html
PatchVendor Advisory