Oracle Errata System Oracle Linux 5.11 2026-07-31T01:24:22 Oracle Linux 9 [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} IMPORTANT Copyright 2026 Oracle, Inc. CVE-2025-40026 CVE-2026-52950 CVE-2026-52976 CVE-2026-53006 CVE-2026-53059 cpe:/a:oracle:linux:9::appstream cpe:/o:oracle:linux:9:8:baseos_patch cpe:/a:oracle:linux:9::codeready_builder cpe:/o:oracle:linux:9::baseos_latest