Oracle Errata System Oracle Linux 5.11 2026-09-30T12:23:11 Oracle Linux 9 [5.14.0-687.53.1] - 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] [5.14.0-687.53.1] - arm64: tlb: Flush walk cache when unsharing PMD tables (Rafael Aquini) [RHEL-259312] {CVE-2026-63875} - perf: Reject exited events as group leaders (Anubhav Shelat) [RHEL-258817] {CVE-2026-74753} - perf/core: Detach event groups during remove_on_exec (Anubhav Shelat) [RHEL-250504] {CVE-2026-64556} - ext4: fix e4b bitmap inconsistency reports (Lukas Herbolt) [RHEL-225944] {CVE-2026-45942} - crypto: af_alg - Cap AEAD AD length to 0x80000000 (CKI Backport Bot) [RHEL-259061] {CVE-2026-52972} - fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh() (Abhi Das) [RHEL-231391] {CVE-2026-53341} - crypto: testmgr - block Crypto API xxhash64 in FIPS mode (Vladislav Dronov) [RHEL-256437] - crypto: tegra - fix rctx->cryptlen calculation in tegra_gcm_do_one_req() (CKI Backport Bot) [RHEL-254308] {CVE-2026-80522} - RDMA/rxe: Fix iova-to-va conversion for MR page sizes != PAGE_SIZE (Kamal Heib) [RHEL-230788] {CVE-2026-46325} - RDMA/rxe: Remove unused page_offset member (Kamal Heib) [RHEL-230788] - RDMA/rxe: Remove redundant assignment to variable page_offset (Kamal Heib) [RHEL-230788] - Revert 'RDMA/rxe: RHEL-only revert for page size vars in rxe' (Kamal Heib) [RHEL-230788] - KVM: s390: selftests: Add IRQ routing address offset tests (Christoph Schlameuss) [RHEL-188656] - KVM: s390: Limit adapter indicator access to mapped page (Christoph Schlameuss) [RHEL-188656] - RDMA/siw: Reject MPA FPDU length underflow before signed receive math (CKI Backport Bot) [RHEL-232566] {CVE-2026-64102} - rxrpc: Fix rxrpc_input_call_event() to only unshare DATA packets (Marc Dionne) [RHEL-179563] - rxrpc: Fix potential UAF after skb_unshare() failure (Marc Dionne) [RHEL-179563] {CVE-2026-45998} IMPORTANT Copyright 2026 Oracle, Inc. CVE-2026-45942 CVE-2026-46325 CVE-2026-52972 CVE-2026-53341 CVE-2026-63875 CVE-2026-64102 CVE-2026-64556 CVE-2026-74753 CVE-2026-80522 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