CVE-2015-5229: Red Hat Enterprise Linux

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

The calloc function in the glibc package in Red Hat Enterprise Linux (RHEL) 6.7 and 7.2 does not properly initialize memory areas, which might allow context-dependent attackers to cause a denial of service (hang or crash) via unspecified vectors.

Affected products

• Red Hat Enterprise Linux: version 6.7 only; version 7.2 only
• Red Hat Enterprise Linux Desktop: version 7.0 only
• Red Hat Enterprise Linux Hpc Node: version 7.0 only
• Red Hat Enterprise Linux Hpc Node Eus: version 7.2 only
• Red Hat Enterprise Linux Server: version 7.0 only
• Red Hat Enterprise Linux Server Aus: version 7.2 only
• Red Hat Enterprise Linux Server Eus: version 7.2 only
• Red Hat Enterprise Linux Workstation: version 7.0 only

Published 2016-04-08. Last modified 2026-06-17.