Oracle Errata System Oracle Linux 5.11 2026-10-28T11:00:04 Oracle Linux 9 [5.14.0-687.59.1] - 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] [5.14.0-687.59.1] - net: always dissect GSO packets in __virtio_net_hdr_to_skb() (Davide Caratti) [RHEL-284987] - ipv4: validate checksum_start before completing checksum (CKI Backport Bot) [RHEL-284987] {CVE-2026-99999} - smb: client: reject a tree connect response whose byte count is too small (Alisher Mazhirinov) [RHEL-271284] {CVE-2026-89631} - exec: Cleanup POSIX timers right after de_thread() (Luiz Capitulino) [RHEL-282063] {CVE-2026-98260} - perf: Fix addr_filter_ranges lifetime (Vratislav Bendel) [RHEL-271871] {CVE-2026-93817} - smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2() (Frank Sorenson) [RHEL-271487] {CVE-2026-89633} - strparser: make sure __strp_recv isn't running before tearing down the parser (Sabrina Dubroca) [RHEL-270747] - xfrm: espintcp: fix UAF during close (CKI Backport Bot) [RHEL-256697] - xfrm: Check for underflow in xfrm_state_mtu (CKI Backport Bot) [RHEL-256697] - xfrm: route MIGRATE notifications to caller's netns (CKI Backport Bot) [RHEL-256697] - bridge: mcast: Fix a possible use-after-free when removing a bridge port (Jakub Ramaseuski) [RHEL-232528] {CVE-2026-64032} - net: bridge: Flush multicast groups when snooping is disabled (Jakub Ramaseuski) [RHEL-232528] - tcp: fix stale per-CPU tcp_tw_isn leak enabling ISN prediction (Antoine Tenart) [RHEL-231693] {CVE-2026-64024} - ipv4: fib: free fib_alias with kfree_rcu() on insert error path (Jamie Bainbridge) [RHEL-233131] {CVE-2026-64572} - inet: frags: strip GSO state from fragments before reassembly (Jamie Bainbridge) [RHEL-254224] {CVE-2026-80590} - ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (Jamie Bainbridge) [RHEL-225452] {CVE-2026-64114} - usb: typec: ucsi: validate connector number in ucsi_connector_change() (Desnes Nunes) [RHEL-259429] {CVE-2026-63958} - usb: typec: ucsi: displayport: NAK DP_CMD_CONFIGURE without a payload VDO (Desnes Nunes) [RHEL-259429] - usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes() (Desnes Nunes) [RHEL-259429] {CVE-2026-63962} - usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers (Desnes Nunes) [RHEL-259429] {CVE-2026-63963} - usb: typec: altmodes/displayport: validate count before reading Status Update VDO (Desnes Nunes) [RHEL-259429] {CVE-2026-63961} - USB: serial: cypress_m8: fix memory corruption with small endpoint (Desnes Nunes) [RHEL-259322] {CVE-2026-63956} - USB: serial: safe_serial: fix memory corruption with small endpoint (Desnes Nunes) [RHEL-259322] {CVE-2026-63957} - USB: serial: omninet: fix memory corruption with small endpoint (Desnes Nunes) [RHEL-259322] {CVE-2026-63928} - USB: serial: mxuport: fix memory corruption with small endpoint (Desnes Nunes) [RHEL-259322] {CVE-2026-63899} - Bluetooth: hci_sync: Fix advertising data UAFs (CKI Backport Bot) [RHEL-254674] {CVE-2026-74509} - openvswitch: vport: fix self-deadlock on release of tunnel ports (CKI Backport Bot) [RHEL-253856] {CVE-2026-31678} - openvswitch: defer tunnel netdev_put to RCU release (CKI Backport Bot) [RHEL-253856] {CVE-2026-31678} - Bluetooth: hci_core: Fix queuing tx_work after workqueue is drained (CKI Backport Bot) [RHEL-244764] {CVE-2026-63974} - Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close (CKI Backport Bot) [RHEL-244764] {CVE-2026-63974} - xfrm: espintcp: do not reuse an in-progress partial send (CKI Backport Bot) [RHEL-222958] {CVE-2026-52935} IMPORTANT Copyright 2026 Oracle, Inc. CVE-2026-31678 CVE-2026-52935 CVE-2026-63899 CVE-2026-63962 CVE-2026-63974 CVE-2026-64024 CVE-2026-64032 CVE-2026-64114 CVE-2026-64572 CVE-2026-74509 CVE-2026-80590 CVE-2026-89633 CVE-2026-93817 CVE-2026-98260 CVE-2026-99999 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