[El-errata] ELSA-2026-38491 Important: Oracle Linux 9 kernel security, bug fix, and enhancement update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-38491

http://linux.oracle.com/errata/ELSA-2026-38491.html

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

x86_64:
kernel-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-abi-stablelists-5.14.0-687.25.1.el9_8.noarch.rpm
kernel-core-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-cross-headers-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-debug-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-debug-core-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-debug-devel-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-debug-devel-matched-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-debug-modules-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-debug-modules-core-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-debug-modules-extra-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-debug-uki-virt-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-devel-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-devel-matched-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-doc-5.14.0-687.25.1.el9_8.noarch.rpm
kernel-headers-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-modules-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-modules-core-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-modules-extra-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-tools-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-tools-libs-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-tools-libs-devel-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-uki-virt-5.14.0-687.25.1.el9_8.x86_64.rpm
kernel-uki-virt-addons-5.14.0-687.25.1.el9_8.x86_64.rpm
libperf-5.14.0-687.25.1.el9_8.x86_64.rpm
perf-5.14.0-687.25.1.el9_8.x86_64.rpm
python3-perf-5.14.0-687.25.1.el9_8.x86_64.rpm
rtla-5.14.0-687.25.1.el9_8.x86_64.rpm
rv-5.14.0-687.25.1.el9_8.x86_64.rpm

aarch64:
kernel-cross-headers-5.14.0-687.25.1.el9_8.aarch64.rpm
kernel-headers-5.14.0-687.25.1.el9_8.aarch64.rpm
kernel-tools-5.14.0-687.25.1.el9_8.aarch64.rpm
kernel-tools-libs-5.14.0-687.25.1.el9_8.aarch64.rpm
kernel-tools-libs-devel-5.14.0-687.25.1.el9_8.aarch64.rpm
libperf-5.14.0-687.25.1.el9_8.aarch64.rpm
perf-5.14.0-687.25.1.el9_8.aarch64.rpm
python3-perf-5.14.0-687.25.1.el9_8.aarch64.rpm
rtla-5.14.0-687.25.1.el9_8.aarch64.rpm
rv-5.14.0-687.25.1.el9_8.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates/kernel-5.14.0-687.25.1.el9_8.src.rpm

Related CVEs:

CVE-2026-22979
CVE-2026-43499
CVE-2026-46086
CVE-2026-53016
CVE-2026-53166




Description of changes:

[5.14.0-687.25.1]
- Disable UKI signing [Orabug: 36571828]
- 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 <= 15.3-1.0.5]
- Remove upstream reference during boot (Kevin Lyons) [Orabug: 34729535]
- Add Oracle Linux IMA certificates
- Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985764]

[5.14.0-687.25.1]
- futex/requeue: Revert "Prevent NULL pointer dereference in remove_waiter() on self-deadlock"" (Phil Auld) [RHEL-193245] {CVE-2026-53166}
- locking/rtmutex: Skip remove_waiter() when waiter is not enqueued (Phil Auld) [RHEL-193245] {CVE-2026-53166}
- futex/requeue: Prevent NULL pointer dereference in remove_waiter() on self-deadlock (Phil Auld) [RHEL-193151] {CVE-2026-43499}
- rtmutex: Use waiter::task instead of current in remove_waiter() (Phil Auld) [RHEL-193151] {CVE-2026-43499}
- net: bridge: use a stable FDB dst snapshot in RCU readers (Mohammad Heib) [RHEL-179330] {CVE-2026-46086}
- kallsyms/bpf: rename __bpf_address_lookup() to bpf_address_lookup() (Anubhav Shelat) [RHEL-183236]
- kallsyms: clean up modname and modbuildid initialization in kallsyms_lookup_buildid() (Anubhav Shelat) [RHEL-183236]
- net: fix memory leak in skb_segment_list for GRO packets (CKI Backport Bot) [RHEL-189959] {CVE-2026-22979}
- crypto: ccp - copy IV using skcipher ivsize (CKI Backport Bot) [RHEL-188459] {CVE-2026-53016}