Multiple vulnerabilities have been discovered in Red Hat’s Linux kernel. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and remote denial of service.
Risks
- Data integrity breach
- Data privacy breach
- Bypassing the security policy
- Remote denial of service
- Remote Arbitrary Code Execution
- Not specified by publisher
- Privilege escalation
Affected systems
- Red Hat Enterprise Linux for ARM 64 – 4 years of updates 9.2 aarch64
- Red Hat Enterprise Linux for ARM 64 – Extended Life Cycle 9.2 aarch64
- Red Hat Enterprise Linux for ARM 64 10 aarch64
- Red Hat Enterprise Linux for IBM z Systems – 4 years of updates 9.2 s390x
- Red Hat Enterprise Linux for IBM z Systems – Extended Life Cycle 9.2 s390x
- Red Hat Enterprise Linux for Power, little endian – Extended Life Cycle 9.2 ppc64le
- Red Hat Enterprise Linux for Real Time 8 x86_64
- Red Hat Enterprise Linux for Real Time for NFV 8 x86_64
- Red Hat Enterprise Linux for x86_64 – Extended Life Cycle 8.10 x86_64
- Red Hat Enterprise Linux for x86_64 – Extended Life Cycle 9.2 x86_64
- Red Hat Enterprise Linux for x86_64 – Extended Update Support Extension 8.4 x86_64
- Red Hat Enterprise Linux for x86_64 – Extended Update Support Extension 8.6 x86_64
- Red Hat Enterprise Linux for x86_64 – Update Services for SAP Solutions 9.2 x86_64
- Red Hat Enterprise Linux Server – AUS 8.4 x86_64
- Red Hat Enterprise Linux Server – AUS 8.6 x86_64
- Red Hat Enterprise Linux Server – AUS 9.2 x86_64
- Red Hat Enterprise Linux Server for Power LE – Update Services for SAP Solutions 9.2 ppc64le
- Red Hat OpenShift Container Platform 4.18 for RHEL 8 x86_64
- Red Hat OpenShift Container Platform 4.18 for RHEL 9 x86_64
- Red Hat OpenShift Container Platform 4.19 for RHEL 8 x86_64
- Red Hat OpenShift Container Platform 4.19 for RHEL 9 x86_64
- Red Hat OpenShift Container Platform 4.20 for RHEL 8 x86_64
- Red Hat OpenShift Container Platform 4.20 for RHEL 9 x86_64
- Red Hat OpenShift Container Platform 4.21 for RHEL 8 x86_64
- Red Hat OpenShift Container Platform 4.21 for RHEL 9 x86_64
- Red Hat OpenShift Container Platform for ARM 64 4.18 for RHEL 8 aarch64
- Red Hat OpenShift Container Platform for ARM 64 4.18 for RHEL 9 aarch64
- Red Hat OpenShift Container Platform for ARM 64 4.19 for RHEL 8 aarch64
- Red Hat OpenShift Container Platform for ARM 64 4.19 for RHEL 9 aarch64
- Red Hat OpenShift Container Platform for ARM 64 4.20 for RHEL 8 aarch64
- Red Hat OpenShift Container Platform for ARM 64 4.20 for RHEL 9 aarch64
- Red Hat OpenShift Container Platform for ARM 64 4.21 for RHEL 8 aarch64
- Red Hat OpenShift Container Platform for ARM 64 4.21 for RHEL 9 aarch64
- Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.18 for RHEL 8 s390x
- Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.18 for RHEL 9 s390x
- Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.19 for RHEL 8 s390x
- Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.19 for RHEL 9 s390x
- Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.20 for RHEL 8 s390x
- Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.20 for RHEL 9 s390x
- Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.21 for RHEL 8 s390x
- Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.21 for RHEL 9 s390x
- Red Hat OpenShift Container Platform for Power 4.18 for RHEL 8 ppc64le
- Red Hat OpenShift Container Platform for Power 4.18 for RHEL 9 ppc64le
- Red Hat OpenShift Container Platform for Power 4.19 for RHEL 8 ppc64le
- Red Hat OpenShift Container Platform for Power 4.19 for RHEL 9 ppc64le
- Red Hat OpenShift Container Platform for Power 4.20 for RHEL 8 ppc64le
- Red Hat OpenShift Container Platform for Power 4.20 for RHEL 9 ppc64le
- Red Hat OpenShift Container Platform for Power 4.21 for RHEL 8 ppc64le
- Red Hat OpenShift Container Platform for Power 4.21 for RHEL 9 ppc64le
Immediate recommendations
Refer to the publisher’s security bulletin to obtain fixes (see Documentation section on this page of the CERT-FR website: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0781/)