[El-errata] ELSA-2026-1142 Important: Oracle Linux 8 kernel security update

Thu Jan 29 00:33:02 UTC 2026

Oracle Linux Security Advisory ELSA-2026-1142

http://linux.oracle.com/errata/ELSA-2026-1142.html

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

x86_64:
bpftool-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-abi-stablelists-4.18.0-553.97.1.el8_10.noarch.rpm
kernel-core-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-cross-headers-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-debug-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-debug-core-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-debug-devel-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-debug-modules-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-debug-modules-extra-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-devel-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-doc-4.18.0-553.97.1.el8_10.noarch.rpm
kernel-headers-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-modules-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-modules-extra-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-tools-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-tools-libs-4.18.0-553.97.1.el8_10.x86_64.rpm
kernel-tools-libs-devel-4.18.0-553.97.1.el8_10.x86_64.rpm
perf-4.18.0-553.97.1.el8_10.x86_64.rpm
python3-perf-4.18.0-553.97.1.el8_10.x86_64.rpm

aarch64:
bpftool-4.18.0-553.97.1.el8_10.aarch64.rpm
kernel-cross-headers-4.18.0-553.97.1.el8_10.aarch64.rpm
kernel-headers-4.18.0-553.97.1.el8_10.aarch64.rpm
kernel-tools-4.18.0-553.97.1.el8_10.aarch64.rpm
kernel-tools-libs-4.18.0-553.97.1.el8_10.aarch64.rpm
kernel-tools-libs-devel-4.18.0-553.97.1.el8_10.aarch64.rpm
perf-4.18.0-553.97.1.el8_10.aarch64.rpm
python3-perf-4.18.0-553.97.1.el8_10.aarch64.rpm

SRPMS:
http://oss.oracle.com/ol8/SRPMS-updates/kernel-4.18.0-553.97.1.el8_10.src.rpm

Related CVEs:

CVE-2023-53673
CVE-2025-40154
CVE-2025-40248
CVE-2025-40277

Description of changes:

[4.18.0-553.97.1]
- 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]

[4.18.0-553.97.1]
- ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping (CKI Backport Bot) [RHEL-129107] {CVE-2025-40154}

[4.18.0-553.96.1]
- Bluetooth: hci_event: call disconnect callback before deleting conn (CKI Backport Bot) [RHEL-137039] {CVE-2023-53673}
- drm/vmwgfx: Validate command header size against SVGA_CMD_MAX_DATASIZE (CKI Backport Bot) [RHEL-134423] {CVE-2025-40277}
- xen: delay xen_hvm_init_time_ops() if kdump is boot on vcpu>=32 (John J Coleman) [RHEL-111354]
- xen: Fix x86 sched_clock() interface for xen (John J Coleman) [RHEL-111354]
- x86/xen/time: Output xen sched_clock time from 0 (John J Coleman) [RHEL-111354]

[4.18.0-553.95.1]
- NFSv4: Check for delegation validity in nfs_start_delegation_return_locked() (Olga Kornievskaia) [RHEL-132819]
- vsock: Ignore signal/timeout on connect() if already established (CKI Backport Bot) [RHEL-139273] {CVE-2025-40248}
- scsi: lpfc: avoid crashing in lpfc_nlp_get() if lpfc_nodelist was freed (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Fix reusing an ndlp that is marked NLP_DROPPED during FLOGI (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Avoid potential ndlp use-after-free in dev_loss_tmo_callbk (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Prevent failure to reregister with NVMe transport after PRLI retry (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Fix lpfc_check_sli_ndlp() handling for GEN_REQUEST64 commands (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Handle duplicate D_IDs in ndlp search-by D_ID routine (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Ignore ndlp rport mismatch in dev_loss_tmo callbk (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Modify handling of ADISC based on ndlp state and RPI registration (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Delete NLP_TARGET_REMOVE flag due to obsolete usage (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Prevent NDLP reference count underflow in dev_loss_tmo callback (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Check devloss callbk done flag for potential stale NDLP ptrs (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Ensure DA_ID handling completion before deleting an NPIV instance (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Fix kref imbalance on fabric ndlps from dev_loss_tmo handler (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Update PRLO handling in direct attached topology (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Fix unsolicited FLOGI kref imbalance when in direct attached topology (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Fix handling of fully recovered fabric node in dev_loss callbk (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Add condition to delete ndlp object after sending BLS_RJT to an ABTS (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Remove NLP_RCV_PLOGI early return during RSCN processing for ndlps (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Allow lpfc_plogi_confirm_nport() logic to execute for Fabric nodes (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Fix list_entry null check warning in lpfc_cmpl_els_plogi() (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Fix possible file string name overflow when updating firmware (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Validate ELS LS_ACC completion payload (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Remove extra ndlp kref decrement in FLOGI cmpl for loop topology (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Revise NPIV ELS unsol rcv cmpl logic to drop ndlp based on nlp_state (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Fix double free in lpfc_cmpl_els_logo_acc() caused by lpfc_nlp_not_used() (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Move scsi_host_template outside dynamically allocated/freed phba (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Fill in missing ndlp kref puts in error paths (Ewan D. Milne) [RHEL-32324]
- scsi: lpfc: Fix kasan slab-out-of-bounds error in lpfc_unreg_login (Ewan D. Milne) [RHEL-32324]