RHSA-2026:53990: High severity Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle vulnerability
Published Aug 12, 2026
·Updated
Important: kernel security, bug fix, and enhancement update
Affected Software
17 affected components
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
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 x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Event History
Aug 12, 2026
Advisory Published
via Red Hat·12:08 AM
Data Sourced
via Red Hat·12:08 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of RHSA-2026:53990?
The severity of RHSA-2026:53990 is classified as high, with a score of 7.
2
What types of software are affected by RHSA-2026:53990?
RHSA-2026:53990 affects various versions of Red Hat Enterprise Linux for x86_64, IBM z Systems, and ARM 64.
3
What is the main purpose of the RHSA-2026:53990 update?
The RHSA-2026:53990 update includes kernel security fixes, bug fixes, and enhancements.
4
How can I apply the fix for RHSA-2026:53990?
To apply the fix for RHSA-2026:53990, users should update their affected Red Hat Enterprise Linux systems using the package manager.
5
Is RHSA-2026:53990 part of Extended Life Cycle support?
Yes, RHSA-2026:53990 is applicable to systems under Red Hat's Extended Life Cycle and Extended Update Support.