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Important Security Advisory ELSA-2026-23258 for Oracle Linux 8 Kernel

oracle
Calendar Grey June 8, 2026
Oracle Linux Logo Esm H88
Oracle Linux 8 updates available with important kernel fixes for security issues and performance improvements. Act swiftly.
The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

Summary

[4.18.0-553.129.1] - Update Oracle Linux certificates (Kevin Lyons) - Disable signing for aarch64 (Ilya Okomin) - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list (olkmod_signing_key.pem) [Orabug: 29539237] - Update x509.genkey [Orabug: 24817676] - Conflict with shim-ia32 and shim-x64 <= 15.3-1.0.3 - Remove upstream reference during boot (Kevin Lyons) [Orabug: 34750652] - Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985772] [4.18.0-553.129.1] - smb: client: reject userspace cifs.spnego descriptions (Paulo Alcantara) [RHEL-178938] {CVE-2026-46243} [4.18.0-553.128.1] - smb: client: fix OOB reads parsing symlink error response (Paulo Alcantara) [RHEL-171465] {CVE-2026-31613} - geneve: Suppress list corruption splat in geneve_destroy_tunnels(). (Antoine Tenart) [RHEL-168961] - geneve: Fix use-after-free in geneve_find_dev(). (Antoine Tenart) [RHEL-168961] {CVE-2025-21858} - netfilter: nf_tables: release flowtable after rcu grace period on error (...

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Topics%20covered

Topics Covered

security advisory remote access important security patch kernel Oracle

SRPMs


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http://oss.oracle.com/ol8/SRPMS-updates/kernel-4.18.0-553.129.1.el8_10.src.rpm

x86_64

bpftool-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-abi-stablelists-4.18.0-553.129.1.el8_10.noarch.rpm kernel-core-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-cross-headers-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-debug-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-debug-core-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-debug-devel-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-debug-modules-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-debug-modules-extra-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-devel-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-doc-4.18.0-553.129.1.el8_10.noarch.rpm kernel-headers-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-modules-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-modules-extra-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-tools-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-tools-libs-4.18.0-553.129.1.el8_10.x86_64.rpm kernel-tools-libs-devel-4.18.0-553.129.1.el8_10.x86_64.rpm perf-4.18.0-553.129.1.el8_10.x86_64.rpm python3-perf-4.18.0-553.129....

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aarch64

bpftool-4.18.0-553.129.1.el8_10.aarch64.rpm kernel-cross-headers-4.18.0-553.129.1.el8_10.aarch64.rpm kernel-headers-4.18.0-553.129.1.el8_10.aarch64.rpm kernel-tools-4.18.0-553.129.1.el8_10.aarch64.rpm kernel-tools-libs-4.18.0-553.129.1.el8_10.aarch64.rpm kernel-tools-libs-devel-4.18.0-553.129.1.el8_10.aarch64.rpm perf-4.18.0-553.129.1.el8_10.aarch64.rpm python3-perf-4.18.0-553.129.1.el8_10.aarch64.rpm

Severity
important
Lowest
Low
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Critical

Related CVEs: CVE-2026-46243

Topics%20covered

Topics Covered

security advisory remote access important security patch kernel Oracle

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