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RedHat Linux Kernel Multiple Vulnerabilities

Hkcert • July 2, 2026

Multiple vulnerabilities were identified in RedHat Linux Kernel. A remote attacker could exploit some of these vulnerabilities to trigger security restriction bypass, remote code execution, data manipulation, denial of service condition, elevation of privilege and sensitive information disclosure on the targeted system.

Red Hat Enterprise Linux for Real Time for x86_64 - Extended Life Cycle Support 7 x86_64

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Critical Vulnerabilities in Red Hat Linux Kernel and OpenShift Released Red Hat has issued multiple critical security updates for its OpenShift Container Platform and Linux kernel, affecting various architectures. The updates address several vulnerabilities, including CVE-2026-4878, CVE-2026-46300, and CVE-2026-46243, which could lead to local privilege escalation, remote code execution, and sensitive information disclosure. Users of OpenShift Container Platform 4.14 are urged to upgrade immediately. The updates have been rated as critical by Red Hat Product Security, with a CVSS base score available for each vulnerability. Additionally, multiple vulnerabilities across Red Hat, Ubuntu, SUSE, and Debian Linux kernels have been identified, posing risks of denial of service and privilege escalation. Administrators are advised to apply the patches promptly to mitigate potential exploitation. The situation remains urgent as attackers may exploit these vulnerabilities. 14 sources 73

Extracted Entities

RedHat Linux Kernel Multiple Vulnerabilities

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Extracted Entities

Attack Types (1)

CWE Weaknesses (3)

Platforms (2)