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Oracle Linux 9: ELSA-2025-21926 Kernel Moderate Threat CVE-2025-39843

oracle
Calendar Grey November 26, 2025
Oracle Linux Logo Esm H88
Security advisory for Oracle Linux 9 kernel updates addressing moderate threats and CVE-2025-39843 risks in the system.
The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

Summary

[5.14.0-611.9.1] - Disable UKI signing [Orabug: 36571828] - 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 <= 15.3-1.0.5] - Remove upstream reference during boot (Kevin Lyons) [Orabug: 34729535] - Add Oracle Linux IMA certificates - Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985764] [5.14.0-611.9.1] - NFSv4: handle ERR_GRACE on delegation recalls (Olga Kornievskaia) [RHEL-124651] - nfsd: nfserr_jukebox in nlm_fopen should lead to a retry (Olga Kornievskaia) [RHEL-124651] - mm: slub: avoid wake up kswapd in set_track_prepare (Audra Mitchell) [RHEL-125521] {CVE-2025-39843} - slub: Reflow ___slab_alloc() (Audra Mitchell) [RHEL-125521] {CVE-2025-39843} - nvme-multipath: Skip nr_active increments in RETRY disposition (Ewan D. Milne) ...

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Topics%20covered

Topics Covered

security advisory denial of service update kernel medium Oracle Linux

SRPMs

http://oss.oracle.com/ol9/SRPMS-updates/kernel-5.14.0-611.9.1.el9_7.src.rpm

x86_64

kernel-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-abi-stablelists-5.14.0-611.9.1.el9_7.noarch.rpm kernel-core-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-cross-headers-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-debug-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-debug-core-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-debug-devel-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-debug-devel-matched-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-debug-modules-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-debug-modules-core-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-debug-modules-extra-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-debug-uki-virt-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-devel-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-devel-matched-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-doc-5.14.0-611.9.1.el9_7.noarch.rpm kernel-headers-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-modules-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-modules-core-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-modules-extra-5.14.0-611.9.1.el9_7.x86_64.rpm kernel-tools-5.14.0-611.9.1.el9_7.x86...

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aarch64

kernel-cross-headers-5.14.0-611.9.1.el9_7.aarch64.rpm kernel-headers-5.14.0-611.9.1.el9_7.aarch64.rpm kernel-tools-5.14.0-611.9.1.el9_7.aarch64.rpm kernel-tools-libs-5.14.0-611.9.1.el9_7.aarch64.rpm kernel-tools-libs-devel-5.14.0-611.9.1.el9_7.aarch64.rpm libperf-5.14.0-611.9.1.el9_7.aarch64.rpm perf-5.14.0-611.9.1.el9_7.aarch64.rpm python3-perf-5.14.0-611.9.1.el9_7.aarch64.rpm rtla-5.14.0-611.9.1.el9_7.aarch64.rpm rv-5.14.0-611.9.1.el9_7.aarch64.rpm

Severity
medium
Lowest
Low
Medium
High
Critical

Related CVEs: CVE-2025-39843

Topics%20covered

Topics Covered

security advisory denial of service update kernel medium Oracle Linux

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