Oracle Errata System Oracle Linux 5.11 2026-08-12T14:36:56 Oracle Linux 9 [5.14.0-687.38.1] - 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] [5.14.0-687.38.1] - cifs: fix time_last_write stamp placement in setattr/truncate paths (Paulo Alcantara) [RHEL-192999] - cifs: consolidate time_last_write stamp into _cifsFileInfo_put() (Paulo Alcantara) [RHEL-192999] - cifs: fix cifsFileInfo leak on kmalloc failure in deferred close drain paths (Paulo Alcantara) [RHEL-192999] - cifs: prevent readdir from changing file size due to stale directory metadata (Paulo Alcantara) [RHEL-192999] - smb: client: fix dir separator in SMB1 UNIX mounts (Paulo Alcantara) [RHEL-192999] - smb: client: fix sbflags initialization (Paulo Alcantara) [RHEL-192999] - smb: client: use atomic_t for mnt_cifs_flags (Paulo Alcantara) [RHEL-192999] - mm/slab: do not limit zeroing to orig_size when only red zoning is enabled (Rafael Aquini) [RHEL-223404] {CVE-2026-64368} [5.14.0-687.37.1] - s390/pkey: Check length in pkey_pckmo handler implementation (Ramesh Chhetri) [RHEL-215578] - s390/pkey: Check length in PKEY_VERIFYPROTK ioctl (Ramesh Chhetri) [RHEL-215580] - net: openvswitch: reject oversized nested action attrs (CKI Backport Bot) [RHEL-222495] {CVE-2026-64531} - cxl/port: Fix use after free of parent_port in cxl_detach_ep() (Myron Stowe) [RHEL-180691] {CVE-2026-31530} - net/mlx5: Fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list (CKI Backport Bot) [RHEL-213036] - x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache (Dennis Chen) [RHEL-188790] {CVE-2025-54518} IMPORTANT Copyright 2026 Oracle, Inc. CVE-2025-54518 CVE-2026-31530 CVE-2026-64368 CVE-2026-64531 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