[El-errata] ELBA-2026-57253-1 Oracle Linux 8 kernel bug fix update

Wed Aug 26 09:24:07 UTC 2026

Oracle Linux Bug Fix Advisory ELBA-2026-57253-1

http://linux.oracle.com/errata/ELBA-2026-57253-1.html

The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:

x86_64:
bpftool-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-abi-stablelists-4.18.0-553.157.1.0.1.el8_10.noarch.rpm
kernel-core-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-cross-headers-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-debug-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-debug-core-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-debug-devel-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-debug-modules-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-debug-modules-extra-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-devel-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-doc-4.18.0-553.157.1.0.1.el8_10.noarch.rpm
kernel-headers-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-modules-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-modules-extra-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-tools-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-tools-libs-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
kernel-tools-libs-devel-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
perf-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm
python3-perf-4.18.0-553.157.1.0.1.el8_10.x86_64.rpm

SRPMS:
http://oss.oracle.com/ol8/SRPMS-updates/kernel-4.18.0-553.157.1.0.1.el8_10.src.rpm

Description of changes:

[4.18.0-553.157.1.0.1]
- scsi: core: Restrict legal sdev_state transitions via sysfs (Uday Shankar) [Orabug: 37778230]

[4.18.0-553.157.1]
- 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]

[4.18.0-553.157.1]
- smb/client: handle overlapping allocated ranges in fallocate (CKI Backport Bot) [RHEL-236195] {CVE-2026-68388}
- mm, page_alloc: skip ->waternark_boost for atomic order-0 allocations (Jay Shin) [RHEL-219767]
- mm, page_alloc: reset the zone->watermark_boost early (Jay Shin) [RHEL-219767]
- scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (Maurizio Lombardi) [RHEL-213227] {CVE-2026-63888}
- net: ieee802154: do not leave a dangling sk pointer in ieee802154_create() (Abhishek Rawal) [RHEL-224189] {CVE-2024-56602}
- cgroup/psi: Set of->priv to NULL upon file release (Waiman Long) [RHEL-232546]
- sched/psi: Create the psimon kthread outside of cgroup_mutex (Waiman Long) [RHEL-232546]
- sched/psi: fix race between file release and pressure write (Waiman Long) [RHEL-232546] {CVE-2026-52991}
- sched/psi: Remove unused parameter nbytes of psi_trigger_create() (Waiman Long) [RHEL-232546]
- psi: fix "no previous prototype" warnings when CONFIG_CGROUPS=n (Waiman Long) [RHEL-232546]
- smb: client: mask server-provided mode to 07777 in modefromsid (CKI Backport Bot) [RHEL-234516] {CVE-2026-64379}
- mm/huge_memory: update file PMD counter before folio_put() (Luiz Capitulino) [RHEL-231209] {CVE-2026-53189}
- net/smc: reject CHID-0 ACCEPT that matches an empty ism_dev slot (CKI Backport Bot) [RHEL-230094] {CVE-2026-64048}
- scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (CKI Backport Bot) [RHEL-213200] {CVE-2026-63887}
- ip6_gre: Use cached t->net in ip6erspan_changelink(). (CKI Backport Bot) [RHEL-180148] {CVE-2026-46120}

[4.18.0-553.156.1]
- drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() (CKI Backport Bot) [RHEL-221327] {CVE-2026-43206}
- drm/amd/display: Validate payload length and link_index in dc_process_dmub_aux_transfer_async (CKI Backport Bot) [RHEL-222576] {CVE-2026-64219}
- drm/amdgpu: fix amdgpu_hmm_range_get_pages (CKI Backport Bot) [RHEL-222620] {CVE-2026-63879}
- drm/i915: Fix potential UAF in TTM object purge (CKI Backport Bot) [RHEL-222738] {CVE-2026-63884}
- drm/amd/display: Use krealloc_array() in dal_vector_reserve() (CKI Backport Bot) [RHEL-222662] {CVE-2026-53329}
- drm/amd/display: Clamp VBIOS HDMI retimer register count to array size (CKI Backport Bot) [RHEL-222680] {CVE-2026-53136}
- mm/slub: avoid accessing metadata when pointer is invalid in object_err() (Luiz Capitulino) [RHEL-226551] {CVE-2025-39902}
- drm/amdgpu: zero-initialize GART table on allocation (CKI Backport Bot) [RHEL-222656] {CVE-2026-53374}
- vhost: reset the vring metadata cache on vring reconfiguration (CKI Backport Bot) [RHEL-224556]
- can: bcm: extend bcm_tx_lock usage for data and timer updates (Guillaume Nault) [RHEL-216711] {CVE-2026-17523}
- can: bcm: add locking when updating filter and timer values (Guillaume Nault) [RHEL-216711] {CVE-2026-17523}
- can: bcm: fix locking for bcm_op runtime updates (Guillaume Nault) [RHEL-216711] {CVE-2026-17523}
- can: bcm: add locking for bcm_op runtime updates (Guillaume Nault) [RHEL-216711] {CVE-2026-17523}
- can: bcm: bcm_tx_setup(): fix KMSAN uninit-value in vfs_write (Guillaume Nault) [RHEL-216711] {CVE-2026-17523}
- can: bcm: check the result of can_send() in bcm_can_tx() (Guillaume Nault) [RHEL-216711] {CVE-2026-17523}
- can: bcm: Use hrtimer_forward_now() (Guillaume Nault) [RHEL-216711] {CVE-2026-17523}
- can: bcm: switch timer to HRTIMER_MODE_SOFT and remove hrtimer_tasklet (Guillaume Nault) [RHEL-216711] {CVE-2026-17523}
- sched/deadline: Update GRUB description in the documentation (Herton R. Krzesinski) [RHEL-189997]
- sched/deadline: fix kABI breakage after the introduction of max_bw on dl_rq (Herton R. Krzesinski) [RHEL-189997]
- sched/deadline: Fix bandwidth reclaim equation in GRUB (Herton R. Krzesinski) [RHEL-189997]
- crypto: ccp - copy IV using skcipher ivsize (CKI Backport Bot) [RHEL-188453] {CVE-2026-53016}