[El-errata] ELBA-2026-25121-1 Oracle Linux 8 kernel bug fix update

[Errata Announcements for Oracle Linux]

Oracle Linux Bug Fix Advisory ELBA-2026-25121-1

http://linux.oracle.com/errata/ELBA-2026-25121-1.html

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

x86_64:
bpftool-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-abi-stablelists-4.18.0-553.132.1.0.1.el8_10.noarch.rpm
kernel-core-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-cross-headers-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-debug-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-debug-core-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-debug-devel-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-debug-modules-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-debug-modules-extra-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-devel-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-doc-4.18.0-553.132.1.0.1.el8_10.noarch.rpm
kernel-headers-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-modules-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-modules-extra-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-tools-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-tools-libs-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
kernel-tools-libs-devel-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
perf-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm
python3-perf-4.18.0-553.132.1.0.1.el8_10.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol8/SRPMS-updates/kernel-4.18.0-553.132.1.0.1.el8_10.src.rpm



Description of changes:

[4.18.0-553.132.1.0.1]
- scsi: core: Restrict legal sdev_state transitions via sysfs (Uday Shankar) [Orabug: 37778230]

[4.18.0-553.132.1]
- 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]

[4.18.0-553.132.1]
- ip6_tunnel: clear skb2->cb[] in ip4ip6_err() (Guillaume Nault) [RHEL-172640] {CVE-2026-43037}
- dlm: fix buffer overflow from negative len in dlm_search_rsb_tree (Alexander Aring) [RHEL-173986] {CVE-2026-43125}
- dlm: validate length in dlm_search_rsb_tree (Alexander Aring) [RHEL-173986] {CVE-2026-43125}

[4.18.0-553.131.1]
- RDMA/mlx4: Fix mis-use of RCU in mlx4_srq_event() (Kamal Heib) [RHEL-179982] {CVE-2026-46181}
- nvme: nvme-fc: Ensure ->ioerr_work is cancelled in nvme_fc_delete_ctrl() (Ewan D. Milne) [RHEL-178447]
- ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (Guillaume Nault) [RHEL-172664] {CVE-2026-43038}
- ALSA: 6fire: Fix leftover global pointers after probe failures (Jaroslav Kysela) [RHEL-172963]
- ALSA: 6fire: Cover the whole probe and disconnect calls with register_mutex (Jaroslav Kysela) [RHEL-172963]
- ALSA: 6fire: fix use-after-free on disconnect (Jaroslav Kysela) [RHEL-172963] {CVE-2026-31581}
- ALSA: 6fire: Release resources at card release (Jaroslav Kysela) [RHEL-172963] {CVE-2024-53239}

[4.18.0-553.130.1]
- RDMA/rxe: Fix double free in rxe_srq_from_init (Kamal Heib) [RHEL-179702] {CVE-2026-45852}
- md: uninitialized start_time in md_clone_bio() causes bogus IO accounting (Nigel Croxon) [RHEL-170384]