[El-errata] ELSA-2026-0759 Important: Oracle Linux 8 kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-0759

http://linux.oracle.com/errata/ELSA-2026-0759.html

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

x86_64:
bpftool-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-abi-stablelists-4.18.0-553.94.1.el8_10.noarch.rpm
kernel-core-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-cross-headers-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-debug-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-debug-core-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-debug-devel-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-debug-modules-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-debug-modules-extra-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-devel-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-doc-4.18.0-553.94.1.el8_10.noarch.rpm
kernel-headers-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-modules-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-modules-extra-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-tools-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-tools-libs-4.18.0-553.94.1.el8_10.x86_64.rpm
kernel-tools-libs-devel-4.18.0-553.94.1.el8_10.x86_64.rpm
perf-4.18.0-553.94.1.el8_10.x86_64.rpm
python3-perf-4.18.0-553.94.1.el8_10.x86_64.rpm

aarch64:
bpftool-4.18.0-553.94.1.el8_10.aarch64.rpm
kernel-cross-headers-4.18.0-553.94.1.el8_10.aarch64.rpm
kernel-headers-4.18.0-553.94.1.el8_10.aarch64.rpm
kernel-tools-4.18.0-553.94.1.el8_10.aarch64.rpm
kernel-tools-libs-4.18.0-553.94.1.el8_10.aarch64.rpm
kernel-tools-libs-devel-4.18.0-553.94.1.el8_10.aarch64.rpm
perf-4.18.0-553.94.1.el8_10.aarch64.rpm
python3-perf-4.18.0-553.94.1.el8_10.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol8/SRPMS-updates/kernel-4.18.0-553.94.1.el8_10.src.rpm

Related CVEs:

CVE-2023-53552
CVE-2025-38051
CVE-2025-39933
CVE-2025-40096
CVE-2025-68301




Description of changes:

[4.18.0-553.94.1]
- 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]

[4.18.0-553.94.1]
- net: atlantic: fix fragment overflow handling in RX path (CKI Backport Bot) [RHEL-139482] {CVE-2025-68301}
- smb: client: let recv_done verify data_offset, data_length and remaining_data_length (Paulo Alcantara) [RHEL-131387] {CVE-2025-39933}
- smb: client: Fix use-after-free in cifs_fill_dirent (CKI Backport Bot) [RHEL-134369] {CVE-2025-38051}

[4.18.0-553.93.1]
- mm: compaction: update the COMPACT[STALL|FAIL] events properly (Lucas Oakley) [RHEL-132449]
- drm/sched: Fix potential double free in drm_sched_job_add_resv_dependencies (Mika Penttilä) [RHEL-125456] {CVE-2025-40096}
- drm/i915: mark requests for GuC virtual engines to avoid use-after-free (CKI Backport Bot) [RHEL-124682] {CVE-2023-53552}