[El-errata] ELSA-2026-45192 Important: Oracle Linux 9 kernel security, bug fix, and enhancement update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-45192

http://linux.oracle.com/errata/ELSA-2026-45192.html

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

x86_64:
kernel-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-abi-stablelists-5.14.0-687.30.1.el9_8.noarch.rpm
kernel-core-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-cross-headers-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-debug-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-debug-core-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-debug-devel-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-debug-devel-matched-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-debug-modules-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-debug-modules-core-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-debug-modules-extra-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-debug-uki-virt-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-devel-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-devel-matched-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-doc-5.14.0-687.30.1.el9_8.noarch.rpm
kernel-headers-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-modules-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-modules-core-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-modules-extra-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-tools-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-tools-libs-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-tools-libs-devel-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-uki-virt-5.14.0-687.30.1.el9_8.x86_64.rpm
kernel-uki-virt-addons-5.14.0-687.30.1.el9_8.x86_64.rpm
libperf-5.14.0-687.30.1.el9_8.x86_64.rpm
perf-5.14.0-687.30.1.el9_8.x86_64.rpm
python3-perf-5.14.0-687.30.1.el9_8.x86_64.rpm
rtla-5.14.0-687.30.1.el9_8.x86_64.rpm
rv-5.14.0-687.30.1.el9_8.x86_64.rpm

aarch64:
kernel-cross-headers-5.14.0-687.30.1.el9_8.aarch64.rpm
kernel-headers-5.14.0-687.30.1.el9_8.aarch64.rpm
kernel-tools-5.14.0-687.30.1.el9_8.aarch64.rpm
kernel-tools-libs-5.14.0-687.30.1.el9_8.aarch64.rpm
kernel-tools-libs-devel-5.14.0-687.30.1.el9_8.aarch64.rpm
libperf-5.14.0-687.30.1.el9_8.aarch64.rpm
perf-5.14.0-687.30.1.el9_8.aarch64.rpm
python3-perf-5.14.0-687.30.1.el9_8.aarch64.rpm
rtla-5.14.0-687.30.1.el9_8.aarch64.rpm
rv-5.14.0-687.30.1.el9_8.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates/kernel-5.14.0-687.30.1.el9_8.src.rpm

Related CVEs:

CVE-2025-40026
CVE-2026-52950
CVE-2026-52976
CVE-2026-53006
CVE-2026-53059




Description of changes:

[5.14.0-687.30.1]
- 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]

[5.14.0-687.30.1]
- KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level (Aidan Wallace) [RHEL-213468] {CVE-2026-63807}
- KVM: nVMX: Hide shadow VMCS right after VMCLEAR (Aidan Wallace) [RHEL-213468]
- KVM: x86: Check for invalid/obsolete root *after* making MMU pages available (Aidan Wallace) [RHEL-213468]
- KVM: nVMX: Put vmcs12 pages if nested VM-Enter fails due to invalid guest state (Aidan Wallace) [RHEL-213468]
- KVM: nVMX: Add helper to put (unmap) vmcs12 pages (Paolo Bonzini) [RHEL-211277]
- KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O (Aidan Wallace) [RHEL-211277] {CVE-2025-40026}
- scsi: core: Run queues for all non-SDEV_DEL devices from scsi_run_host_queues (David Jeffery) [RHEL-187412]
- drm/xe/dma-buf: fix UAF with retry loop (Anusha Srivatsa) [RHEL-192228] {CVE-2026-52950}
- drm/xe/dma-buf: handle empty bo and UAF races (Anusha Srivatsa) [RHEL-192228] {CVE-2026-52950}
- drm/xe: Fix bo leak in xe_dma_buf_init_obj() on allocation failure (Anusha Srivatsa) [RHEL-192228] {CVE-2026-52950}
- drm/xe: Fix dma-buf attachment leak in xe_gem_prime_import() (Anusha Srivatsa) [RHEL-192228] {CVE-2026-52950}
- ipv6: fix possible UAF in icmpv6_rcv() (CKI Backport Bot) [RHEL-192220] {CVE-2026-53006}
- drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl() (CKI Backport Bot) [RHEL-188647] {CVE-2026-52976}
- dm log: fix out-of-bounds write due to region_count overflow (CKI Backport Bot) [RHEL-188541] {CVE-2026-53059}