Multiple vulnerabilities in the Red Hat Enterprise Linux 8 kernel allow remote attackers to potentially achieve remote code execution, denial of service, privilege escalation, information disclosure, or data manipulation. The affected versions include Red Hat Enterprise Linux 8 and CodeReady Linux Builder 8 across x86_64, ARM 64, Power, and IBM z Systems architectures. Red Hat has released fixes via advisories RHSA-2026:3388 and RHSA-2026:3464, which should be applied immediately.
Multiple vulnerabilities were identified in RedHat Linux Kernel. A remote attacker could exploit some of these vulnerabilities to trigger data manipulation, denial of service condition, elevation of privilege, remote code execution and sensitive information disclosure on the targeted system. Impact Remote Code Execution Denial of Service Elevation of Privilege Information Disclosure Data Manipulation System / Technologies affected Red Hat CodeReady Linux Builder for ARM 64 8 aarch64 Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le Red Hat CodeReady Linux Builder for x86_64 8 x86_64 Red Hat Enterprise Linux Server - AUS 8.2 x86_64 Red Hat Enterprise Linux for ARM 64 8 aarch64 Red Hat Enterprise Linux for IBM z Systems 8 s390x Red Hat Enterprise Linux for Power, little endian 8 ppc64le Red Hat Enterprise Linux for x86_64 8 x86_64 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-2026:3388 https://access.redhat.com/errata/RHSA-2026:3464