RHSA-2026:83207: High severity Red Hat Red Hat Enterprise Linux for IBM z Systems vulnerability
Published Oct 14, 2026
·Updated
Important: kernel security, bug fix, and enhancement update
Affected Software
25 affected components
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux Hidden Content for x86_64
Red Hat Red Hat CodeReady Linux Builder for ARM 64
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
Red Hat Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for x86_64
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Event History
Oct 14, 2026
Advisory Published
via Red Hat·10:38 PM
Data Sourced
via Red Hat·10:38 PM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which Red Hat environments are in scope?
The advisory covers Red Hat Enterprise Linux for x86_64, IBM z Systems, and ARM 64 Extended Update Support. It also includes IBM z Systems Extended Update Support and Extended Life Cycle, CodeReady Linux Builder for IBM z Systems, and Hidden Content for x86_64.
2
Does this update include changes beyond security fixes?
Yes. The advisory is described as a kernel update containing security fixes, bug fixes, and enhancements.