Oracle Errata System Oracle Linux 5.11 2026-08-21T09:47:24 Oracle Linux 10 [6.12.0-211.49.1] - Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985782] - 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 - Update module name for cryptographic module [Orabug: 37400433] - Clean git history at setup stage [6.12.0-211.49.1] - udf: fix partition descriptor append bookkeeping (CKI Backport Bot) [RHEL-179570] {CVE-2026-45991} - cifs: fix time_last_write stamp placement in setattr/truncate paths (Paulo Alcantara) [RHEL-235459] - cifs: consolidate time_last_write stamp into _cifsFileInfo_put() (Paulo Alcantara) [RHEL-235459] - cifs: fix cifsFileInfo leak on kmalloc failure in deferred close drain paths (Paulo Alcantara) [RHEL-235459] - cifs: prevent readdir from changing file size due to stale directory metadata (Paulo Alcantara) [RHEL-235459] - smb: client: fix dir separator in SMB1 UNIX mounts (Paulo Alcantara) [RHEL-235459] - smb: client: fix sbflags initialization (Paulo Alcantara) [RHEL-235459] - smb: client: use atomic_t for mnt_cifs_flags (Paulo Alcantara) [RHEL-235459] - smb: client: fix data corruption due to racy lease checks (Paulo Alcantara) [RHEL-235459] - crypto: pcrypt - Fix handling of MAY_BACKLOG requests (Ricardo Robaina) [RHEL-226717] {CVE-2026-43493} - smb: client: fix SMB1 TRANS2 multi-response truncation in SendReceive() (Paulo Alcantara) [RHEL-235812] - smb/client: handle overlapping allocated ranges in fallocate (CKI Backport Bot) [RHEL-236210] {CVE-2026-68388} - posix-cpu-timers: Prevent UAF caused by non-leader exec() race (Waiman Long) [RHEL-227850] {CVE-2026-64560} - posix-cpu-timers: Fix pid refcount leak in do_cpu_nanosleep() error path (Waiman Long) [RHEL-227850] {CVE-2026-64370} - exit: kill the pointless __exit_signal()->clear_tsk_thread_flag(TIF_SIGPENDING) (Waiman Long) [RHEL-227850] - exit: change the release_task() paths to call flush_sigqueue() lockless (Waiman Long) [RHEL-227850] - smb: client: fix double-free in SMB2_open() replay (CKI Backport Bot) [RHEL-234551] {CVE-2026-64382} - smb: client: mask server-provided mode to 07777 in modefromsid (CKI Backport Bot) [RHEL-234530] {CVE-2026-64379} - smb: client: fix query_info() replay double-free (CKI Backport Bot) [RHEL-234129] {CVE-2026-64386} - smb/client: fix out-of-bounds read in symlink_data() (CKI Backport Bot) [RHEL-229066] {CVE-2026-46185} - blk-mq: reinsert cached request to the list (CKI Backport Bot) [RHEL-213153] {CVE-2026-64017} - blk-mq: pop cached request if it is usable (CKI Backport Bot) [RHEL-213153] {CVE-2026-64017} [6.12.0-211.48.1] - scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (Maurizio Lombardi) [RHEL-213217] {CVE-2026-63888} - drm/i915: Fix potential UAF in TTM object purge (CKI Backport Bot) [RHEL-222740] {CVE-2026-63884} - drm/amd/display: Validate payload length and link_index in dc_process_dmub_aux_transfer_async (CKI Backport Bot) [RHEL-222567] {CVE-2026-64219} - drm/amd/display: Use krealloc_array() in dal_vector_reserve() (CKI Backport Bot) [RHEL-222667] {CVE-2026-53329} - drm/amdgpu: fix amdgpu_hmm_range_get_pages (Mika Penttila) [RHEL-222625] {CVE-2026-63879} - drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() (CKI Backport Bot) [RHEL-221336] {CVE-2026-43206} - drm/i915/gem: Fix phys BO pread/pwrite with offset (CKI Backport Bot) [RHEL-222753] {CVE-2026-53356} - drm/amdkfd: Fix watch_id bounds checking in debug address watch v2 (CKI Backport Bot) [RHEL-222721] {CVE-2026-45878} - drm/amdkfd: Fix buffer overflow in SDMA queue checkpoint/restore on GFX11 (CKI Backport Bot) [RHEL-222701] {CVE-2026-53143} - drm/amd/display: Clamp VBIOS HDMI retimer register count to array size (CKI Backport Bot) [RHEL-222685] {CVE-2026-53136} - drm/amdgpu: zero-initialize GART table on allocation (CKI Backport Bot) [RHEL-222646] {CVE-2026-53374} - drm/amdgpu: Refactor amdgpu_gem_va_ioctl for Handling Last Fence Update and Timeline Management v7 (CKI Backport Bot) [RHEL-221380] {CVE-2026-43237} - drm/amdgpu: Refactor amdgpu_gem_va_ioctl for Handling Last Fence Update and Timeline Management v4 (CKI Backport Bot) [RHEL-221380] {CVE-2026-43237} - sched/psi: Create the psimon kthread outside of cgroup_mutex (CKI Backport Bot) [RHEL-232560] {CVE-2026-52991} - sched/psi: fix race between file release and pressure write (CKI Backport Bot) [RHEL-232560] {CVE-2026-52991} - scsi: target: Fix hexadecimal CHAP_I handling (CKI Backport Bot) [RHEL-231667] {CVE-2026-63886} - scsi: target: iscsi: Validate CHAP_R length before base64 decode (CKI Backport Bot) [RHEL-231667] {CVE-2026-63886} - memfd: deny writeable mappings when implying SEAL_WRITE (Luiz Capitulino) [RHEL-228531] {CVE-2026-63952} - mm/memfd: fix spelling in memfd_add_seals() (Luiz Capitulino) [RHEL-228531] - vhost: reset the vring metadata cache on vring reconfiguration (CKI Backport Bot) [RHEL-224545] - xfs: fix exchange-range reflink flag clearing issue with INO1_WRITTEN (Lukas Herbolt) [RHEL-223954] IMPORTANT Copyright 2026 Oracle, Inc. CVE-2026-43206 CVE-2026-43237 CVE-2026-43493 CVE-2026-45878 CVE-2026-45991 CVE-2026-46185 CVE-2026-52991 CVE-2026-53136 CVE-2026-53143 CVE-2026-53329 CVE-2026-53356 CVE-2026-53374 CVE-2026-63879 CVE-2026-63884 CVE-2026-63886 CVE-2026-63888 CVE-2026-63952 CVE-2026-64017 CVE-2026-64219 CVE-2026-64379 CVE-2026-64382 CVE-2026-64386 CVE-2026-64560 CVE-2026-68388 cpe:/o:oracle:linux:10:2:baseos_patch cpe:/a:oracle:linux:10::appstream cpe:/o:oracle:linux:10::baseos_latest cpe:/a:oracle:linux:10::codeready_builder