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Alerts This Week
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Oracle Linux 8: Important Kernel Update CVE-2025-40271 ELSA-2026-50005

oracle
Calendar Grey January 12, 2026
Oracle Linux Logo Esm H88
Updated kernel packages for Oracle Linux 8 address important security issue CVE-2025-40271. Immediate action recommended.
The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

Summary

[5.4.17-2136.351.3.1] - fs/proc: fix uaf in proc_readdir_de() (Wei Yang) [Orabug: 38787139] {CVE-2025-40271} [5.4.17-2136.351.3] - Reapply "cpuidle: menu: Avoid discarding useful information" (Harshvardhan Jha) [Orabug: 38715366] - fbcon: fix integer overflow in font allocation (Samasth Norway Ananda) [Orabug: 38702507] - uek-rpm: Replace check-kabi tool with kabi (Yifei Liu) [Orabug: 38673382] - uek-rpm: Introduce check function for uek-rpm/tools/kabi (Yifei Liu) [Orabug: 38673382] [5.4.17-2136.351.2] - uek-rpm: kabi: Remove the kabi protection for debug kernels (Yifei Liu) [Orabug: 38609548] - rds: Add smp_rmb before reading c_destroy_in_prog (Håkon Bugge) [Orabug: 38352486] - uio_hv_generic: Set event for all channels on the device (Long Li) - ata: libata-scsi: Fix system suspend for a security locked drive (Niklas Cassel) - HID: quirks: work around VID/PID conflict for 0x4c4a/0x4155 (Zhang Heng) [5.4.17-2136.351.1] - scsi: megaraid_sas: Fix concurrent access to ISR be...

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Topics%20covered

Topics Covered

security advisory important kernel system update linux Oracle

SRPMs

http://oss.oracle.com/ol8/SRPMS-updates/kernel-uek-5.4.17-2136.351.3.1.el8uek.src.rpm

x86_64

kernel-uek-5.4.17-2136.351.3.1.el8uek.x86_64.rpm kernel-uek-container-5.4.17-2136.351.3.1.el8uek.x86_64.rpm kernel-uek-container-debug-5.4.17-2136.351.3.1.el8uek.x86_64.rpm kernel-uek-debug-5.4.17-2136.351.3.1.el8uek.x86_64.rpm kernel-uek-debug-devel-5.4.17-2136.351.3.1.el8uek.x86_64.rpm kernel-uek-devel-5.4.17-2136.351.3.1.el8uek.x86_64.rpm kernel-uek-doc-5.4.17-2136.351.3.1.el8uek.noarch.rpm

aarch64

Severity
important
Lowest
Low
Medium
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Critical

Related CVEs: CVE-2025-40271

Topics%20covered

Topics Covered

security advisory important kernel system update linux Oracle

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