Oracle Errata System Oracle Linux 5.11 2026-04-21T17:42:17 Oracle Linux 9 [5.14.0-611.49.1] - 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] [5.14.0-611.49.1] - rtnetlink: Allocate vfinfo size for VF GUIDs when supported (Kamal Heib) [RHEL-149469] {CVE-2025-22075} [5.14.0-611.48.1] - scsi: qla2xxx: Fix improper freeing of purex item (CKI Backport Bot) [RHEL-159222] {CVE-2025-68741} - NFSv4: Check for delegation validity in nfs_start_delegation_return_locked() (Scott Mayhew) [RHEL-151414] - Bluetooth: MGMT: Fix memory leak in set_ssp_complete (David Marlin) [RHEL-151728] - Bluetooth: hci_uart: fix null-ptr-deref in hci_uart_write_work (David Marlin) [RHEL-151728] - Bluetooth: btusb: revert use of devm_kzalloc in btusb (David Marlin) [RHEL-151728] - Bluetooth: btusb: reorder cleanup in btusb_disconnect to avoid UAF (David Marlin) [RHEL-151728] - net: hv_netvsc: reject RSS hash key programming without RX indirection table (Medha Mummigatti) [RHEL-150571] - net/sched: sch_cake: Fix incorrect qlen reduction in cake_drop (CKI Backport Bot) [RHEL-150455] {CVE-2025-39766} - net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit (CKI Backport Bot) [RHEL-150455] {CVE-2025-39766} - iommu/vt-d: Deduplicate cache_tag_flush_all by reusing flush_range (Jerry Snitselaar) [RHEL-144218] - iommu/vt-d: Fix missing PASID in dev TLB flush with cache_tag_flush_all (Jerry Snitselaar) [RHEL-144218] - i40e: validate ring_len parameter against hardware-specific values (CKI Backport Bot) [RHEL-141722] IMPORTANT Copyright 2026 Oracle, Inc. CVE-2025-39766 CVE-2025-68741 cpe:/a:oracle:linux:9::appstream cpe:/o:oracle:linux:9:7:baseos_patch cpe:/a:oracle:linux:9::codeready_builder cpe:/o:oracle:linux:9::baseos_latest