[El-errata] ELSA-2026-3083 Important: Oracle Linux 8 kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-3083

http://linux.oracle.com/errata/ELSA-2026-3083.html

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

x86_64:
bpftool-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-abi-stablelists-4.18.0-553.107.1.el8_10.noarch.rpm
kernel-core-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-cross-headers-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-debug-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-debug-core-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-debug-devel-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-debug-modules-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-debug-modules-extra-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-devel-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-doc-4.18.0-553.107.1.el8_10.noarch.rpm
kernel-headers-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-modules-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-modules-extra-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-tools-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-tools-libs-4.18.0-553.107.1.el8_10.x86_64.rpm
kernel-tools-libs-devel-4.18.0-553.107.1.el8_10.x86_64.rpm
perf-4.18.0-553.107.1.el8_10.x86_64.rpm
python3-perf-4.18.0-553.107.1.el8_10.x86_64.rpm

aarch64:
bpftool-4.18.0-553.107.1.el8_10.aarch64.rpm
kernel-cross-headers-4.18.0-553.107.1.el8_10.aarch64.rpm
kernel-headers-4.18.0-553.107.1.el8_10.aarch64.rpm
kernel-tools-4.18.0-553.107.1.el8_10.aarch64.rpm
kernel-tools-libs-4.18.0-553.107.1.el8_10.aarch64.rpm
kernel-tools-libs-devel-4.18.0-553.107.1.el8_10.aarch64.rpm
perf-4.18.0-553.107.1.el8_10.aarch64.rpm
python3-perf-4.18.0-553.107.1.el8_10.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol8/SRPMS-updates/kernel-4.18.0-553.107.1.el8_10.src.rpm

Related CVEs:

CVE-2025-38129
CVE-2025-38248
CVE-2025-40064
CVE-2025-68800
CVE-2026-23074




Description of changes:

[4.18.0-553.107.1]
- 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]

[4.18.0-553.107.1]
- autofs: use wake_up() instead of wake_up_interruptible(() (Ian Kent) [RHEL-143685]
- autofs: fix memory leak of waitqueues in autofs_catatonic_mode (Ian Kent) [RHEL-143685] {CVE-2023-54134}
- i40e: validate ring_len parameter against hardware-specific values (CKI Backport Bot) [RHEL-141709]
- xfs: set max_agbno to allow sparse alloc of last full inode chunk (Brian Foster) [RHEL-136693]
- audit: merge loops in __audit_inode_child() (Ricardo Robaina) [RHEL-140442]

[4.18.0-553.106.1]
- bridge: mcast: Fix use-after-free during router port configuration (Mohammad Heib) [RHEL-138422] {CVE-2025-38248}
- net/sched: Enforce that teql can only be used as root qdisc (CKI Backport Bot) [RHEL-146992] {CVE-2026-23074}
- page_pool: Fix use-after-free in page_pool_recycle_in_ring (Marc Milgram) [RHEL-137838] {CVE-2025-38129}
- mlxsw: spectrum_mr: Fix use-after-free when updating multicast route stats (CKI Backport Bot) [RHEL-143189] {CVE-2025-68800}
- smc: Fix use-after-free in __pnet_find_base_ndev(). (Mete Durlu) [RHEL-126886] {CVE-2025-40064}