Xen 4.4.x, when running on ARM systems, does not properly restrict access to hardware features, which allows local guest users to cause a d…

published 2014-04-24 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-2938

cvss: 5.5; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

Xen 4.4.x, when running on ARM systems, does not properly restrict access to hardware features, which allows local guest users to cause a denial of service (host or guest crash) via unspecified vectors, related to (1) cache control, (2) coprocessors, (3) debug registers, and (4) other unspecified registers.

Patch / fix

distros 1

xen Ubuntu 14.04 LTS 4.4.0-0ubuntu5.1

ubuntu advisories UBUNTU-CVE-2014-2915

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2014-2915 updated 2026-11-05 cvss 5.2

xen: Hardware features unintentionally exposed to guests on ARM

Red Hat Enterprise Linux 5 kernel-xen
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.62% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	5.5	AV:A/AC:L/Au:S/C:N/I:N/A:C

Classification

Weakness

CWE-264 Permissions, Privileges, and Access Controls

References

xenbits.xen.org /xsa/advisory-93.html
vendor-advisory
securitytracker.com /id/1030135
vdb-entry
openwall.com /lists/oss-security/2014/04/23/2
mailing-list
openwall.com /lists/oss-security/2014/04/22/10
mailing-list

Sources

CVE List CVE-2014-2915
NVD CVE-2014-2915

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary