Oracle Errata System Oracle Linux 5.11 2026-08-27T09:16:36 Oracle Linux 9 [5.14.0-687.42.1] - 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] [5.14.0-687.42.1] - net: ipv6: clear suppressed fib6 rule result (Paolo Abeni) [RHEL-246347] {CVE-2026-74581} - s390/ap: Restrict driver_override versus apmask and aqmask use (Ramesh Chhetri) [RHEL-245333] - s390/ap: Rename mutex ap_perms_mutex to ap_attr_mutex (Ramesh Chhetri) [RHEL-245333] - s390/ap: Support driver_override for AP queue devices (Ramesh Chhetri) [RHEL-245333] - s390/ap: Use all-bits-one apmask/aqmask for vfio in_use() checks (Ramesh Chhetri) [RHEL-245333] - i2c: stub: Reject I2C block transfers with invalid length (CKI Backport Bot) [RHEL-232111] {CVE-2026-64191} - Input: synaptics-rmi4 - bound the F3A keymap to the GPIO count (CKI Backport Bot) [RHEL-231440] {CVE-2026-64277} - netfilter: require Ethernet MAC header before using eth_hdr() (CKI Backport Bot) [RHEL-230679] {CVE-2026-53131} - Input: synaptics-rmi4 - bound the F30 keymap to the GPIO/LED count (CKI Backport Bot) [RHEL-230236] {CVE-2026-64276} - netfilter: xt_policy: fix strict mode inbound policy matching (CKI Backport Bot) [RHEL-228843] {CVE-2026-52920} - netfilter: ipset: fix race between dump and ip_set_list resize (CKI Backport Bot) [RHEL-227673] {CVE-2026-64189} - netfilter: conntrack_irc: fix possible out-of-bounds read (CKI Backport Bot) [RHEL-225252] {CVE-2026-53268} - ksm: use range-walk function to jump over holes in scan_get_next_rmap_item (CKI Backport Bot) [RHEL-189901] {CVE-2025-68211} - crypto: qat - cancel work on re-enable SR-IOV timeout (CKI Backport Bot) [RHEL-166118] - sctp: hold socket lock when dumping endpoints in sctp_diag (Jamie Bainbridge) [RHEL-212398] - sctp: Hold sock lock while iterating over address list (Jamie Bainbridge) [RHEL-212398] - sctp: Prevent TOCTOU out-of-bounds write (Jamie Bainbridge) [RHEL-212398] - sctp: Hold RCU read lock while iterating over address list (Jamie Bainbridge) [RHEL-212398] - zram: fix use-after-free in zram_bvec_write_partial() (CKI Backport Bot) [RHEL-191439] {CVE-2026-53185} - ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() (CKI Backport Bot) [RHEL-189965] {CVE-2026-23003} - netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry (CKI Backport Bot) [RHEL-189532] {CVE-2026-43114} - sctp: purge outqueue on stale COOKIE-ECHO handling (CKI Backport Bot) [RHEL-188198] {CVE-2026-52924} IMPORTANT Copyright 2026 Oracle, Inc. CVE-2025-68211 CVE-2026-23003 CVE-2026-43114 CVE-2026-52920 CVE-2026-52924 CVE-2026-53131 CVE-2026-53185 CVE-2026-53268 CVE-2026-64189 CVE-2026-64191 CVE-2026-64276 CVE-2026-64277 CVE-2026-74581 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