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Red Hat Security Advisory: kpatch-patch-5_14_0-284_117_1, kpatch-patch-5_14_0-284_134_1, kpatch-patch-5_14_0-284_148_1, kpatch-patch-5_14_0-284_158_1, and kpatch-patch-5_14_0-284_172_1 security updateCVE-2026-23401
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This Red Hat security advisory addresses multiple vulnerabilities in the Linux kernel 5.14.0-284.117.1.el9_2 via live patch modules for kpatch. The issues include a privilege escalation or denial of service vulnerability in the KVM due to improper shadow page table entry handling (CVE-2026-23401), a heap overflow in the NFSv4.0 LOCK replay cache (CVE-2026-31402), and a use-after-free in the bonding driver causing denial of service (CVE-2026-31419). These vulnerabilities affect Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions and Extended Life Cycle versions. The advisory provides updated kpatch modules to remediate these issues. No CVSS scores are provided, but the severity is rated as important/high by Red Hat.

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