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CVE-2014-5146

18
FAUCET Score

CVE-2014-5146 is a denial-of-service vulnerability affecting Xen versions 4.2.x through 4.4.x when using Hardware Assisted Paging (HAP). A local HVM guest can exploit non-preemptible MMU virtualization operations to consume vCPU resources, leading to a denial of service for the host. This vulnerability has a CVSS score of 4.7, indicating a low attack complexity and local access requirement, with a high impact on availability. There is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
13.1CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
13.2CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
4.2.0CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
4.2.1CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.2.1:*:*:*:*:*:*:*
4.2.2CPE matchmatch criteria
cpe:2.3:o:xen:xen:4.2.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.7MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 67th percentile among its peer group of 1,595 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 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2014-5146Moderate

xen: Long latency virtual-mmu operations are not preemptible (xsa-97)

Aug 12, 2014

References

lists.fedoraproject.org / pipermail/package-announce/2014-August/136980.html
lists.fedoraproject.org / pipermail/package-announce/2014-August/136981.html
lists.opensuse.org / opensuse-security-announce/2015-02/msg00005.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-02/msg00010.html
Third Party Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/95234
security.gentoo.org / glsa/201504-04
securityfocus.com / bid/69198
Third Party AdvisoryVDB Entry
securitytracker.com / id/1030723
Third Party AdvisoryVDB Entry
xenbits.xen.org / xsa/advisory-97.html
PatchVendor Advisory