RHSA-2026:73645: High severity Red Hat Red Hat Enterprise Linux Server - AUS vulnerability

Published Sep 30, 2026
·
Updated

Important: kernel security, bug fix, and enhancement update

Affected Software

9 affected components
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle

Event History

Sep 30, 2026
Advisory Published
via Red Hat·12:07 AM
Data Sourced
via Red Hat·12:07 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

Which environments are covered by this update?

The update applies to the listed Red Hat Enterprise Linux Server AUS, SAP Update Services, Extended Life Cycle, and four-years-of-updates offerings across x86_64, ARM 64, IBM z Systems, and Power little-endian platforms.

2

Does the available information identify a specific vulnerability or exploitation path?

No. The provided advisory summary only identifies this as an important kernel security, bug-fix, and enhancement update; it does not provide vulnerability identifiers, affected kernel versions, attack prerequisites, or mitigation steps.

3

How can I determine whether a system needs this update?

Compare the system's Red Hat product entitlement, architecture, and installed kernel against the advisory details in RHSA-2026:73645. The supplied data does not include the fixed package versions needed for a more specific determination.

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