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Alerts This Week
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Oracle Linux 8 ELSA-2026-19666 Important Kernel Update Denial of Service

oracle
Calendar Grey May 26, 2026
Oracle Linux Logo Esm H88
Oracle Linux Security Advisory ELSA-2026-19666 http://linux.oracle.com/errata/ELSA-2026-19666.html T
The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

Summary

[4.18.0-553.125.1] - 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] [4.18.0-553.125.1] - net: skbuff: propagate shared-frag marker through frag-transfer helpers (Sabrina Dubroca) [RHEL-176090] {CVE-2026-46300} - net: skbuff: preserve shared-frag marker during coalescing (Sabrina Dubroca) [RHEL-176090] {CVE-2026-46300} - ptrace: slightly saner 'get_dumpable()' logic (Rafael Aquini) [RHEL-176445] {CVE-2026-46333}

Topics%20covered

Topics Covered

security advisory denial of service security issue important kernel Oracle

SRPMs

http://oss.oracle.com/ol8/SRPMS-updates/kernel-4.18.0-553.125.1.el8_10.src.rpm

x86_64

bpftool-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-abi-stablelists-4.18.0-553.125.1.el8_10.noarch.rpm kernel-core-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-cross-headers-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-debug-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-debug-core-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-debug-devel-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-debug-modules-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-debug-modules-extra-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-devel-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-doc-4.18.0-553.125.1.el8_10.noarch.rpm kernel-headers-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-modules-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-modules-extra-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-tools-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-tools-libs-4.18.0-553.125.1.el8_10.x86_64.rpm kernel-tools-libs-devel-4.18.0-553.125.1.el8_10.x86_64.rpm perf-4.18.0-553.125.1.el8_10.x86_64.rpm python3-perf-4.18.0-553.125....

Read the Full Advisory

aarch64

bpftool-4.18.0-553.125.1.el8_10.aarch64.rpm kernel-cross-headers-4.18.0-553.125.1.el8_10.aarch64.rpm kernel-headers-4.18.0-553.125.1.el8_10.aarch64.rpm kernel-tools-4.18.0-553.125.1.el8_10.aarch64.rpm kernel-tools-libs-4.18.0-553.125.1.el8_10.aarch64.rpm kernel-tools-libs-devel-4.18.0-553.125.1.el8_10.aarch64.rpm perf-4.18.0-553.125.1.el8_10.aarch64.rpm python3-perf-4.18.0-553.125.1.el8_10.aarch64.rpm

Severity
important
Lowest
Low
Medium
High
Critical

Related CVEs: CVE-2026-46300 CVE-2026-46333

Topics%20covered

Topics Covered

security advisory denial of service security issue important kernel Oracle

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