RHSA-2026:67879: High severity Red Hat Red Hat Enterprise Linux High Availability for IBM z Systems - Extended Life Cycle vulnerability
Published Sep 16, 2026
·Updated
Important: corosync security update
Affected Software
37 affected components
Red Hat Red Hat Enterprise Linux High Availability for IBM z Systems - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux High Availability for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux High Availability (for IBM z Systems) - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux Resilient Storage for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux High Availability for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux High Availability for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux High Availability for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux High Availability for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux Resilient Storage for x86_64 - 4 years of updates
Red Hat Red Hat Enterprise Linux High Availability (for ARM 64) - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux High Availability for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Resilient Storage for Power, little endian - 4 years of updates
Red Hat Red Hat Enterprise Linux High Availability 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 x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux High Availability for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux Resilient Storage for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux High Availability for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Resilient Storage for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Event History
Sep 16, 2026
Advisory Published
via Red Hat·08:02 AM
Data Sourced
via Red Hat·08:02 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which environments should be reviewed for this update?
Review systems using the listed Red Hat Enterprise Linux offerings for IBM z Systems or x86_64, including the High Availability and Resilient Storage offerings, as well as the listed Extended Update Support, Extended Life Cycle, and four-years-of-updates channels.
2
Does the available advisory data provide an interim mitigation or indicators of compromise?
No. The provided data identifies this as an important corosync security update but does not specify a temporary mitigation, attack prerequisites, affected configuration, or detection indicators.