Multiple vulnerabilities were identified in RedHat Linux Kernel. A remote attacker could exploit some of these vulnerabilities to trigger denial of service condition, elevation of privilege and sensitive information disclosure on the targeted system. Note: CVE-2026-31431 is being exploited in the wild... Impact Denial of Service Elevation of Privilege Information Disclosure System / Technologies affected Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.4 aarch64 Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 9.6 aarch64 Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support 10.0 aarch64 Red Hat CodeReady Linux Builder for ARM 64 8 aarch64 Red Hat CodeReady Linux Builder for ARM 64 9 aarch64 Red Hat CodeReady Linux Builder for ARM 64 10 aarch64 Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.4 s390x Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 9.6 s390x Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support 10.0 s390x Red Hat CodeReady Linux Builder for IBM z Systems 9 s390x Red Hat CodeReady Linux Builder for IBM z Systems 10 s390x Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.4 ppc64le Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 9.6 ppc64le Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support 10.0 ppc64le Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le Red Hat CodeReady Linux Builder for Power, little endian 9 ppc64le Red Hat CodeReady Linux Builder for Power, little endian 10 ppc64le Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.4 x86_64 Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 9.6 x86_64 Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support 10.0 x86_64 Red Hat CodeReady Linux Builder for x86_64 8 x86_64 Red Hat CodeReady Linux Builder for x86_64 9 x86_64 Red Hat CodeReady Linux Builder for x86_64 10 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 - AUS 9.4 x86_64 Red Hat Enterprise Linux Server - AUS 9.6 x86_64 Red Hat Enterprise Linux Server - Extended Life Cycle Support 7 x86_64 Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 7 s390x Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 i386 Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension 6 x86_64 Red Hat Enterprise Linux Server - Extended Life Cycle Support Extension (for IBM z Systems) 6 s390x Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian 7 ppc64 Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian 7 ppc64le Red Hat Enterprise Linux Server - TUS 8.6 x86_64 Red Hat Enterprise Linux Server - TUS 8.8 x86_64 Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.6 ppc64le Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 8.8 ppc64le Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.0 ppc64le Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.2 ppc64le Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.4 ppc64le Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.0 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.2 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.4 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64 Red Hat Enterprise Linux for ARM 64 - 4 years of updates 10.0 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 8.10 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.2 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.4 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.4 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64 Red Hat Enterprise Linux for ARM 64 - Extended Update Support 10.0 aarch64 Red Hat Enterprise Linux for ARM 64 8 aarch64 Red Hat Enterprise Linux for ARM 64 9 aarch64 Red Hat Enterprise Linux for ARM 64 10 aarch64 Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.0 s390x Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.2 s390x Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.4 s390x Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 10.0 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 8.10 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.2 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.4 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.4 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 10.0 s390x Red Hat Enterprise Linux for IBM z Systems 8 s390x Red Hat Enterprise Linux for IBM z Systems 9 s390x Red Hat Enterprise Linux for IBM z Systems 10 s390x Red Hat Enterprise Linux for Power, little endian - 4 years of support 10.0 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 8.10 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.2 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.4 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.4 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le Red Hat Enterprise Linux for Power, little endian - Extended Update Support 10.0 ppc64le Red Hat Enterprise Linux for Power, little endian 8 ppc64le Red Hat Enterprise Linux for Power, little endian 9 ppc64le Red Hat Enterprise Linux for Power, little endian 10 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 Real Time for x86_64 - Extended Life Cycle Support 7 x86_64 Red Hat Enterprise Linux for x86_64 - 4 years of updates 10.0 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 Life Cycle 9.4 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.4 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Update Support 9.6 x86_64 Red Hat Enterprise Linux for x86_64 - Extended Update Support 10.0 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 - Extended Update Support Extension 8.8 x86_64 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.6 x86_64 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 8.8 x86_64 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.0 x86_64 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.2 x86_64 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.4 x86_64 Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64 Red Hat Enterprise Linux for x86_64 8 x86_64 Red Hat Enterprise Linux for x86_64 9 x86_64 Red Hat Enterprise Linux for x86_64 10 x86_64 Red Hat OpenShift Container Platform 4.13 for RHEL 8 x86_64 Red Hat OpenShift Container Platform 4.13 for RHEL 9 x86_64 Red Hat OpenShift Container Platform 4.16 for RHEL 9 x86_64 Red Hat OpenShift Container Platform 4.17 for RHEL 8 x86_64 Red Hat OpenShift Container Platform 4.17 for RHEL 9 x86_64 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 4.13 for RHEL 8 aarch64 Red Hat OpenShift Container Platform for ARM 64 4.13 for RHEL 9 aarch64 Red Hat OpenShift Container Platform for ARM 64 4.16 for RHEL 9 aarch64 Red Hat OpenShift Container Platform for ARM 64 4.17 for RHEL 8 aarch64 Red Hat OpenShift Container Platform for ARM 64 4.17 for RHEL 9 aarch64 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 4.13 for RHEL 8 s390x Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.13 for RHEL 9 s390x Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.16 for RHEL 9 s390x Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.17 for RHEL 8 s390x Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.17 for RHEL 9 s390x 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 4.13 for RHEL 8 ppc64le Red Hat OpenShift Container Platform for Power 4.13 for RHEL 9 ppc64le Red Hat OpenShift Container Platform for Power 4.16 for RHEL 9 ppc64le Red Hat OpenShift Container Platform for Power 4.17 for RHEL 8 ppc64le Red Hat OpenShift Container Platform for Power 4.17 for RHEL 9 ppc64le 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 Solutions Before installation of the software, please visit the vendor web-site for more details. Apply fixes issued by the vendor: https://access.redhat.com/errata/RHSA-2026:13565 https://access.redhat.com/errata/RHSA-2026:13566 https://access.redhat.com/errata/RHSA-2026:13577 https://access.redhat.com/errata/RHSA-2026:13578 https://access.redhat.com/errata/RHSA-2026:13664 https://access.redhat.com/errata/RHSA-2026:13681 https://access.redhat.com/errata/RHSA-2026:13690 https://access.redhat.com/errata/RHSA-2026:13727 https://access.redhat.com/errata/RHSA-2026:13729 https://access.redhat.com/errata/RHSA-2026:13734 https://access.redhat.com/errata/RHSA-2026:13811 https://access.redhat.com/errata/RHSA-2026:13862 https://access.redhat.com/errata/RHSA-2026:13885 https://access.redhat.com/errata/RHSA-2026:13887 https://access.redhat.com/errata/RHSA-2026:13932 https://access.redhat.com/errata/RHSA-2026:13936 https://access.redhat.com/errata/RHSA-2026:14112 https://access.redhat.com/errata/RHSA-2026:14137 https://access.redhat.com/errata/RHSA-2026:14165 https://access.redhat.com/errata/RHSA-2026:14230 https://access.redhat.com/errata/RHSA-2026:14301 https://access.redhat.com/errata/RHSA-2026:14339 https://access.redhat.com/errata/RHSA-2026:14823 https://access.redhat.com/errata/RHSA-2026:14869 https://access.redhat.com/errata/RHSA-2026:14925 https://access.redhat.com/errata/RHSA-2026:14926
Multiple vulnerabilities in the Red Hat Linux kernel, including CVE-2026-31431 (CVSS 7.8), can lead to denial of service, privilege escalation, and information disclosure. The CVE-2026-31431 vulnerability affects Linux kernel versions 4.14 through 5.10.253, 5.11 through 5.15.203, 5.16 through 6.1.169, 6.2 through 6.6.136, and 6.7 through 6.12.84. Patches are available in kernel versions 5.10.254, 5.15.204, 6.1.170, 6.6.137, 6.12.85, 6.18.22, and 6.19.12.