[El-errata] ELSA-2026-16206 Important: Oracle Linux 9 kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-16206

http://linux.oracle.com/errata/ELSA-2026-16206.html

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

x86_64:
kernel-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-abi-stablelists-5.14.0-611.55.1.el9_7.noarch.rpm
kernel-core-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-cross-headers-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-debug-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-debug-core-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-debug-devel-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-debug-devel-matched-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-debug-modules-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-debug-modules-core-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-debug-modules-extra-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-debug-uki-virt-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-devel-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-devel-matched-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-doc-5.14.0-611.55.1.el9_7.noarch.rpm
kernel-headers-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-modules-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-modules-core-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-modules-extra-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-tools-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-tools-libs-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-tools-libs-devel-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-uki-virt-5.14.0-611.55.1.el9_7.x86_64.rpm
kernel-uki-virt-addons-5.14.0-611.55.1.el9_7.x86_64.rpm
libperf-5.14.0-611.55.1.el9_7.x86_64.rpm
perf-5.14.0-611.55.1.el9_7.x86_64.rpm
python3-perf-5.14.0-611.55.1.el9_7.x86_64.rpm
rtla-5.14.0-611.55.1.el9_7.x86_64.rpm
rv-5.14.0-611.55.1.el9_7.x86_64.rpm

aarch64:
kernel-cross-headers-5.14.0-611.55.1.el9_7.aarch64.rpm
kernel-headers-5.14.0-611.55.1.el9_7.aarch64.rpm
kernel-tools-5.14.0-611.55.1.el9_7.aarch64.rpm
kernel-tools-libs-5.14.0-611.55.1.el9_7.aarch64.rpm
kernel-tools-libs-devel-5.14.0-611.55.1.el9_7.aarch64.rpm
libperf-5.14.0-611.55.1.el9_7.aarch64.rpm
perf-5.14.0-611.55.1.el9_7.aarch64.rpm
python3-perf-5.14.0-611.55.1.el9_7.aarch64.rpm
rtla-5.14.0-611.55.1.el9_7.aarch64.rpm
rv-5.14.0-611.55.1.el9_7.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates/kernel-5.14.0-611.55.1.el9_7.src.rpm

Related CVEs:

CVE-2026-43284




Description of changes:

[5.14.0-611.55.1]
- 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]

[5.14.0-611.55.1]
- xfrm: esp: avoid in-place decrypt on shared skb frags (Sabrina Dubroca) [RHEL-174561] {CVE-2026-43284}