CVE-2015-8553: Red Hat Enterprise Linux

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

Xen allows guest OS users to obtain sensitive information from uninitialized locations in host OS kernel memory by not enabling memory and I/O decoding control bits. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-0777.

Affected products

• Red Hat Enterprise Linux: version 5 only
• Xen Xen: affected versions not specified

Published 2016-04-13. Last modified 2026-06-17.