Multiple vulnerabilities have been identified in Red Hat’s Linux kernel, with some allowing remote code execution, privilege escalation, and denial-of-service attacks. Affected systems include various Red Hat Enterprise Linux and CodeReady Linux Builder versions for ARM, IBM z Systems, Power, and x86_64 architectures. The vulnerabilities, detailed in multiple Red Hat security bulletins (RHSA-2026:45115 to RHSA-2026:48386), pose risks to data integrity, confidentiality, and system availability. Users are advised to apply the provided security updates. Specific CVE identifiers include CVE-2025-10263, CVE-2026-12505, and others. The advisories emphasize the need for immediate patching to mitigate potential exploitation.
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