RHSA-2026:63538: High severity Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support vulnerability
Published Sep 4, 2026
·Updated
Important: kernel security, bug fix, and enhancement update
Affected Software
4 affected components
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian
Event History
Sep 4, 2026
Advisory Published
via Red Hat·07:54 AM
Data Sourced
via Red Hat·07:54 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which systems are covered by this update?
This update applies to Red Hat Enterprise Linux Server Extended Life Cycle Support, including the IBM z Systems edition and IBM Power editions for both big-endian and little-endian architectures.
2
Is this only a security update?
No. The advisory describes the update as including kernel security fixes, bug fixes, and enhancements.