Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-2150

15
FAUCET Score

CVE-2015-2150 describes a vulnerability in Xen 3.3.x through 4.5.x and the Linux kernel through 3.19.1, where local guest OS users can trigger a host crash by manipulating PCI command registers. By disabling memory or I/O decoding for a PCI Express device and then accessing it, an Unsupported Request (UR) response is generated, leading to a denial of service (NMI and host crash). This vulnerability has a CVSS score of 4.9, indicating a low severity with local access and low attack complexity, resulting in a complete loss of availability. 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
12.04CPE matchmatch criteria
cpe:2.3:o:ubuntu:ubuntu:12.04:*:lts:*:*:*:*:*
3.3.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:3.3.0:*:*:*:*:*:*:*
3.3.1CPE matchmatch criteria
cpe:2.3:o:xen:xen:3.3.1:*:*:*:*:*:*:*
3.3.2CPE matchmatch criteria
cpe:2.3:o:xen:xen:3.3.2:*:*:*:*:*:*:*
3.4.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.9MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.53%
Probability of exploitation in next 30 days
EPSS Percentile
41.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0053 is in the 78th percentile among its peer group of 3,052 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, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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 Patches (1)

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

Vendor Advisories (1)

redhatCVE-2015-2150Moderate

xen: non-maskable interrupts triggerable by guests (xsa120)

Mar 10, 2015

References

git.kernel.org
lists.fedoraproject.org / pipermail/package-announce/2015-April/155804.html
lists.fedoraproject.org / pipermail/package-announce/2015-April/155854.html
lists.fedoraproject.org / pipermail/package-announce/2015-April/155908.html
lists.fedoraproject.org / pipermail/package-announce/2015-March/152747.html
lists.opensuse.org / opensuse-security-announce/2015-04/msg00001.html
lists.opensuse.org / opensuse-security-announce/2015-09/msg00004.html
lists.opensuse.org / opensuse-security-announce/2015-09/msg00018.html
lists.opensuse.org / opensuse-security-announce/2015-09/msg00021.html
bugzilla.redhat.com / show_bug.cgi
github.com / torvalds/linux/commit/af6fc858a35b90e89ea7a7ee58e66628c55c776b
seclists.org / bugtraq/2019/Aug/18
www1.huawei.com / en/security/psirt/security-bulletins/security-advisories/hw-423503.htm
debian.org / security/2015/dsa-3237
oracle.com / technetwork/topics/security/linuxbulletinjan2016-2867209.html
securityfocus.com / bid/73014
securitytracker.com / id/1031806
securitytracker.com / id/1031902
ubuntu.com / usn/USN-2631-1
ubuntu.com / usn/USN-2632-1
xenbits.xen.org / xsa/advisory-120.html
Vendor Advisory