CVE-2014-4021

low
Published 2014-06-18 · Modified 2026-05-06
CVSS v3
CVSS v2
2.7
VIR risk
2.7

Description

Xen 3.2.x through 4.4.x does not properly clean memory pages recovered from guests, which allows local guest OS users to obtain sensitive information via unspecified vectors.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2014-4021

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://xenbits.xen.org/xsa/advisory-100.html

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed4.4.1-1
debian debianbullseyefixed4.4.1-1
debian debianforkyfixed4.4.1-1
debian debiansidfixed4.4.1-1
debian debiantrixiefixed4.4.1-1

References

CWEs

CWE-119

Verify integrity in audit chain (admin only). AS-IS.