# Red Hat patches 44 Linux kernel flaws

Published: 2026-06-19 · Severity: medium
Canonical: https://vorant.io/reports/bc47788d-c57d-574a-bf4a-ff3ed5e31c0c/red-hat-patches-44-linux-kernel-flaws

> Red Hat released security updates addressing 44 vulnerabilities in the Linux kernel across RHEL and OpenShift platforms, including flaws enabling remote code execution and privilege escalation.

Red Hat has published multiple security advisories addressing 44 vulnerabilities in the Linux kernel affecting Red Hat Enterprise Linux (RHEL) versions 8, 9, and 10 across multiple architectures (x86_64, aarch64, s390x, ppc64le), as well as Red Hat OpenShift Container Platform versions 4.18 through 4.21. The vulnerabilities span from 2023 to 2026, indicating a comprehensive kernel security update cycle.

The flaws enable various attack vectors including remote arbitrary code execution, privilege escalation, denial of service, security policy bypass, and data confidentiality and integrity compromise. The advisories were released between June 12-17, 2026, covering extended life cycle, extended update support, and real-time variants of RHEL, as well as OpenShift deployments across multiple processor architectures.

Red Hat recommends that affected organizations apply the patches as detailed in the security bulletins. Given the broad deployment of RHEL in enterprise environments and the range of impacts including remote code execution, timely patching is essential for organizations running these platforms.

## Mentioned in this report

- Vulnerabilities: CVE-2023-53372, CVE-2024-41073, CVE-2025-21858, CVE-2025-40135, CVE-2025-40158, CVE-2025-40170, CVE-2025-68366, CVE-2025-68724, CVE-2025-68800, CVE-2025-71089, CVE-2025-71116, CVE-2026-22984, CVE-2026-22990, CVE-2026-23001, CVE-2026-23097, CVE-2026-23191, CVE-2026-23216, CVE-2026-23243, CVE-2026-23392, CVE-2026-23455, CVE-2026-31532, CVE-2026-31669, CVE-2026-31685, CVE-2026-31786, CVE-2026-31787, CVE-2026-35385, CVE-2026-39979, CVE-2026-40164, CVE-2026-41035, CVE-2026-41326, CVE-2026-43037, CVE-2026-43038, CVE-2026-43110, CVE-2026-43116, CVE-2026-43158, CVE-2026-43163, CVE-2026-43190, CVE-2026-43303, CVE-2026-43329, CVE-2026-46056

Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0781/

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