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Oracle Linux 8 ELSA-2026-13577 Important Kernel Security Update

oracle
Calendar Grey May 6, 2026
Oracle Linux Logo Esm H88
Update for Oracle Linux 8 includes important kernel fixes addressing key security issues and potential threats.
The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

Summary

[4.18.0-553.123.1] - 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] [4.18.0-553.123.1] - crypto: algif_aead - snapshot IV for async AEAD requests (Herbert Xu) [RHEL-172187] - crypto: algif_aead - Fix minimum RX size check for decryption (Herbert Xu) [RHEL-172187] - crypto: authencesn - reject short ahash digests during instance creation (Herbert Xu) [RHEL-172187] - crypto: authencesn - Fix src offset when decrypting in-place (Herbert Xu) [RHEL-172187] - crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption (Herbert Xu) [RHEL-172187] {CVE-2026-31431} - crypto: aut...

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Topics Covered

security advisory security issue kernel update important kernel Oracle Linux

SRPMs


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http://oss.oracle.com/ol8/SRPMS-updates/kernel-4.18.0-553.123.1.el8_10.src.rpm

x86_64

bpftool-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-abi-stablelists-4.18.0-553.123.1.el8_10.noarch.rpm kernel-core-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-cross-headers-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-debug-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-debug-core-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-debug-devel-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-debug-modules-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-debug-modules-extra-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-devel-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-doc-4.18.0-553.123.1.el8_10.noarch.rpm kernel-headers-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-modules-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-modules-extra-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-tools-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-tools-libs-4.18.0-553.123.1.el8_10.x86_64.rpm kernel-tools-libs-devel-4.18.0-553.123.1.el8_10.x86_64.rpm perf-4.18.0-553.123.1.el8_10.x86_64.rpm python3-perf-4.18.0-553.123....

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aarch64

bpftool-4.18.0-553.123.1.el8_10.aarch64.rpm kernel-cross-headers-4.18.0-553.123.1.el8_10.aarch64.rpm kernel-headers-4.18.0-553.123.1.el8_10.aarch64.rpm kernel-tools-4.18.0-553.123.1.el8_10.aarch64.rpm kernel-tools-libs-4.18.0-553.123.1.el8_10.aarch64.rpm kernel-tools-libs-devel-4.18.0-553.123.1.el8_10.aarch64.rpm perf-4.18.0-553.123.1.el8_10.aarch64.rpm python3-perf-4.18.0-553.123.1.el8_10.aarch64.rpm

Severity
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Related CVEs: CVE-2024-41073 CVE-2025-40252 CVE-2025-68724 CVE-2026-23401 CVE-2026-31402 CVE-2026-31431

Topics%20covered

Topics Covered

security advisory security issue kernel update important kernel Oracle Linux

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