[El-errata] ELBA-2025-20403 Oracle Linux 9 Unbreakable Enterprise kernel bug fix update

[Errata Announcements for Oracle Linux]

Oracle Linux Bug Fix Advisory ELBA-2025-20403

http://linux.oracle.com/errata/ELBA-2025-20403.html

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

x86_64:
bpftool-5.15.0-308.179.6.7.el9uek.x86_64.rpm
kernel-uek-5.15.0-308.179.6.7.el9uek.x86_64.rpm
kernel-uek-core-5.15.0-308.179.6.7.el9uek.x86_64.rpm
kernel-uek-debug-5.15.0-308.179.6.7.el9uek.x86_64.rpm
kernel-uek-debug-core-5.15.0-308.179.6.7.el9uek.x86_64.rpm
kernel-uek-debug-devel-5.15.0-308.179.6.7.el9uek.x86_64.rpm
kernel-uek-debug-modules-5.15.0-308.179.6.7.el9uek.x86_64.rpm
kernel-uek-debug-modules-extra-5.15.0-308.179.6.7.el9uek.x86_64.rpm
kernel-uek-devel-5.15.0-308.179.6.7.el9uek.x86_64.rpm
kernel-uek-doc-5.15.0-308.179.6.7.el9uek.noarch.rpm
kernel-uek-modules-5.15.0-308.179.6.7.el9uek.x86_64.rpm
kernel-uek-modules-extra-5.15.0-308.179.6.7.el9uek.x86_64.rpm
kernel-uek-container-5.15.0-308.179.6.7.el9uek.x86_64.rpm
kernel-uek-container-debug-5.15.0-308.179.6.7.el9uek.x86_64.rpm



SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates/kernel-uek-5.15.0-308.179.6.7.el9uek.src.rpm



Description of changes:

[5.15.0-308.179.6.7.el9uek]
- mm: shmem: remove unnecessary warning in shmem_writepage() (Ricardo Cañuelo Navarro)  [Orabug: 38034039]
- shmem: add support to ignore swap (Luis Chamberlain)  [Orabug: 38034039]
- shmem: update documentation (Luis Chamberlain)  [Orabug: 38034039]
- shmem: skip page split if we're not reclaiming (Luis Chamberlain)  [Orabug: 38034039]
- shmem: move reclaim check early on writepages() (Luis Chamberlain)  [Orabug: 38034039]
- shmem: set shmem_writepage() variables early (Luis Chamberlain)  [Orabug: 38034039]
- shmem: remove check for folio lock on writepage() (Luis Chamberlain)  [Orabug: 38034039]

[5.15.0-308.179.6.6.el9uek]
- mm: make page_mapped_in_vma() hugetlb walk aware (Jane Chu)  [Orabug: 38024577]
- mm/rmap: Fix handling of hugetlbfs pages in page_vma_mapped_walk (zhenwei pi)  [Orabug: 38024577]

[5.15.0-308.179.6.5.el9uek]
- RDMA/mlx5: Fix CC counters query for MPV (Patrisious Haddad)  [Orabug: 38014918]

[5.15.0-308.179.6.4.el9uek]
- certs: Add new Oracle Linux Driver Signing (key 1) certificate (Sherry Yang)  [Orabug: 37980731]
- RDS: use pin_user_pages_fast() (Stephen Brennan)  [Orabug: 37980705]
- vhost-scsi: Fix vhost_scsi_send_status() (Dongli Zhang)  [Orabug: 37980690]
- vhost-scsi: Fix vhost_scsi_send_bad_target() (Dongli Zhang)  [Orabug: 37980690]
- vhost-scsi: protect vq->log_used with vq->mutex (Dongli Zhang)  [Orabug: 37980690]
- vhost-scsi: Reduce response iov mem use (Mike Christie)  [Orabug: 37980690]
- vhost-scsi: Allocate iov_iter used for unaligned copies when needed (Mike Christie)  [Orabug: 37980690]
- vhost-scsi: Stop duplicating se_cmd fields (Mike Christie)  [Orabug: 37980690]
- vhost-scsi: Dynamically allocate scatterlists (Mike Christie)  [Orabug: 37980690]
- vhost-scsi: Return queue full for page alloc failures during copy (Mike Christie)  [Orabug: 37980690]
- vhost-scsi: Add better resource allocation failure handling (Mike Christie)  [Orabug: 37980690]
- vhost-scsi: Allocate T10 PI structs only when enabled (Mike Christie)  [Orabug: 37980690]
- vhost-scsi: Reduce mem use by moving upages to per queue (Mike Christie)  [Orabug: 37980690]
- scsi: target: core: Use RCU helpers for INQUIRY t10_alua_tg_pt_gp (Mike Christie)  [Orabug: 37980690]
- scsi: target: Perform ALUA group changes in one step (Mike Christie)  [Orabug: 37980690]
- scsi: target: Replace lun_tg_pt_gp_lock with rcu in I/O path (Mike Christie)  [Orabug: 37980690]
- scsi: target: Fix write perf due to unneeded throttling (Mike Christie)  [Orabug: 37980690]
- vhost scsi: Allow user to control num virtqueues (Mike Christie)  [Orabug: 37980690]
- vhost-scsi: Rename vhost_scsi_iov_to_sgl (Mike Christie)  [Orabug: 37980690]
- vhost-scsi: unbreak any layout for response (Jason Wang)  [Orabug: 37980690]
- Revert "vhost-scsi: protect vq->log_base with vq->mutex" (Mike Christie)  [Orabug: 37980690]
- Revert "vhost_scsi: log write descriptors" (Mike Christie)  [Orabug: 37980690]