CVE-2014-4021

Impact:
Moderate
Public Date:
2014-06-17
CWE:
CWE-244
Bugzilla:
1103646: CVE-2014-4021 xen: Hypervisor heap contents leaked to guests (xsa-100)
It was found that the Xen hypervisor implementation did not properly clean memory pages previously allocated by the hypervisor. A privileged guest user could potentially use this flaw to read data relating to other guests or the hypervisor itself.

Find out more about CVE-2014-4021 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 2.3
Base Metrics AV:A/AC:M/Au:S/C:P/I:N/A:N
Access Vector Adjacent Network
Access Complexity Medium
Authentication Single
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 5 (kernel) RHSA-2014:0926 2014-07-23

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 kernel-xen Will not fix

Acknowledgements

Red Hat would like to thank the Xen project for reporting this issue. Upstream acknowledges Jan Beulich as the original reporter.

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