[El-errata] ELBA-2026-500093 Oracle Linux 9 Unbreakable Enterprise kernel bug fix update

[Errata Announcements for Oracle Linux]

Oracle Linux Bug Fix Advisory ELBA-2026-500093

http://linux.oracle.com/errata/ELBA-2026-500093.html

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:


aarch64:
bpftool-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek-container-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek-container-debug-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek-core-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek-debug-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek-debug-core-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek-debug-devel-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek-debug-modules-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek-debug-modules-extra-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek-devel-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek-doc-5.15.0-308.179.6.18.el9uek.noarch.rpm
kernel-uek-modules-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek-modules-extra-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek64k-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek64k-core-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek64k-devel-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek64k-modules-5.15.0-308.179.6.18.el9uek.aarch64.rpm
kernel-uek64k-modules-extra-5.15.0-308.179.6.18.el9uek.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates/kernel-uek-5.15.0-308.179.6.18.el9uek.src.rpm



Description of changes:

[5.15.0-308.179.6.18]
- net/mlx5: poll mlx5 eq during irq migration (Praveen Kumar Kannoju)  [Orabug: 39704584]

[5.15.0-308.179.6.17]
- rtnetlink: Fix L3 stats disable handling in rtnl_offload_xstats_fill() (Vijayendra Suman)  [Orabug: 38516531]

[5.15.0-308.179.6.16]
- uek-rpm: Move ifb module to modules-core (Harshit Mogalapalli)  [Orabug: 38447650]

[5.15.0-308.179.6.15]
- sched: Change nr_uninterruptible type to unsigned long (Aruna Ramakrishna)  [Orabug: 38409437]

[5.15.0-308.179.6.14]
- net/rds: poll eq during user-reset (Praveen Kumar Kannoju)  [Orabug: 38244064]
- net/mlx5: Add poll-eq API to be used by ULP's (Praveen Kumar Kannoju)  [Orabug: 38244060]

[5.15.0-308.179.6.13]
- vhost-scsi: Fix vhost_scsi struct use after free (Mike Christie)  [Orabug: 38232300]
- net/mlx5: set graceful_period to 0 to allow multiple transmission queue recovery (Praveen Kumar Kannoju)  [Orabug: 38232286]

[5.15.0-308.179.6.12]
- x86: Pin task-stack in __get_wchan() (Peter Zijlstra)  [Orabug: 38212634]
- x86: Fix __get_wchan() for !STACKTRACE (Peter Zijlstra)  [Orabug: 38212634]
- sched: Add wrapper for get_wchan() to keep task blocked (Kees Cook)  [Orabug: 38212634]
- x86: Fix get_wchan() to support the ORC unwinder (Qi Zheng)  [Orabug: 38212634]

[5.15.0-308.179.6.11]
- mm: synchronise PGD in x86 when utilising dax vmemmap optimisation (Lorenzo Stoakes)  [Orabug: 38150197]
- rds: ib: Make sure a QP in INIT state is transitioned to ERR (Håkon Bugge)  [Orabug: 38147767]
- Reapply "rds: ib: Make sure receives are posted before connection is up" (Håkon Bugge)  [Orabug: 38147767]

[5.15.0-308.179.6.10]
- KVM: x86: revert APICV_INHIBIT_REASON_APIC_ID_MODIFIED clear path for uek=exadata (Dongli Zhang)  [Orabug: 38127932]

[5.15.0-308.179.6.9]
- rds: ib: Add cm_id generation scheme in order to detect new ones (Håkon Bugge)  [Orabug: 38105083]