[El-errata] ELSA-2026-67468-0 Important: Oracle Linux 8 kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-67468-0

http://linux.oracle.com/errata/ELSA-2026-67468-0.html

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

x86_64:
bpftool-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-abi-stablelists-4.18.0-553.163.1.el8_10.noarch.rpm
kernel-core-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-cross-headers-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-debug-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-debug-core-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-debug-devel-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-debug-modules-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-debug-modules-extra-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-devel-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-doc-4.18.0-553.163.1.el8_10.noarch.rpm
kernel-headers-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-modules-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-modules-extra-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-tools-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-tools-libs-4.18.0-553.163.1.el8_10.x86_64.rpm
kernel-tools-libs-devel-4.18.0-553.163.1.el8_10.x86_64.rpm
perf-4.18.0-553.163.1.el8_10.x86_64.rpm
python3-perf-4.18.0-553.163.1.el8_10.x86_64.rpm

aarch64:
bpftool-4.18.0-553.163.1.el8_10.aarch64.rpm
kernel-cross-headers-4.18.0-553.163.1.el8_10.aarch64.rpm
kernel-headers-4.18.0-553.163.1.el8_10.aarch64.rpm
kernel-tools-4.18.0-553.163.1.el8_10.aarch64.rpm
kernel-tools-libs-4.18.0-553.163.1.el8_10.aarch64.rpm
kernel-tools-libs-devel-4.18.0-553.163.1.el8_10.aarch64.rpm
perf-4.18.0-553.163.1.el8_10.aarch64.rpm
python3-perf-4.18.0-553.163.1.el8_10.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol8/SRPMS-updates/kernel-4.18.0-553.163.1.el8_10.src.rpm

Related CVEs:

CVE-2024-53161
CVE-2025-71127
CVE-2026-43133
CVE-2026-52947
CVE-2026-53182
CVE-2026-63802
CVE-2026-63889
CVE-2026-64117
CVE-2026-68363
CVE-2026-72098
CVE-2026-74556




Description of changes:

[4.18.0-553.163.1]
- 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]

[4.18.0-553.163.1]
- EDAC/bluefield: Fix potential integer overflow (Joel Savitz) [RHEL-234337] {CVE-2024-53161}
- scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer (CKI Backport Bot) [RHEL-254583] {CVE-2026-74556}
- blk-cgroup: fix UAF in __blkcg_rstat_flush() (Jeff Moyer) [RHEL-230276] {CVE-2026-63802}
- dm-verity: fix buffer overflow in FEC calculation (Benjamin Marzinski) [RHEL-244942] {CVE-2026-72098}
- net: qrtr: restrict socket creation to the initial network namespace (Jose Ignacio Tornos Martinez) [RHEL-239090] {CVE-2026-68294}
- wifi: ath9k: hif_usb: don't dereference hif_dev after re-arming firmware request (Jose Ignacio Tornos Martinez) [RHEL-237990] {CVE-2026-68363}
- wifi: mac80211: capture fast-RX rate before mesh reuses skb->cb (Jose Ignacio Tornos Martinez) [RHEL-231677] {CVE-2026-64117}
- wifi: mac80211: fix missing RX bitrate update for mesh forwarding path (Jose Ignacio Tornos Martinez) [RHEL-231677] {CVE-2026-64117}
- wifi: mac80211: Discard Beacon frames to non-broadcast address (Jose Ignacio Tornos Martinez) [RHEL-230705] {CVE-2025-71127}
- wifi: nl80211: reject oversized EMA RNR lists (Jose Ignacio Tornos Martinez) [RHEL-230593] {CVE-2026-53182}
- net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove (Jose Ignacio Tornos Martinez) [RHEL-229715] {CVE-2026-52947}
- scsi: scsi_transport_fc: Widen FPIN pname walker counter to u32 (CKI Backport Bot) [RHEL-228708] {CVE-2026-63889}
- KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation (CKI Backport Bot) [RHEL-189455] {CVE-2026-43133}