Oracle Errata System Oracle Linux 5.11 2026-09-18T18:48:55 Oracle Linux 8 [4.18.0-553.164.1] - 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 <= 15.3-1.0.3 - Remove upstream reference during boot (Kevin Lyons) [Orabug: 34750652] - Add new Oracle Linux Driver Signing (key 1) certificate [Orabug: 37985772] [4.18.0-553.164.1] - net: qrtr: fix 32-bit integer overflow in qrtr_endpoint_post() (Izabela Bakollari) [RHEL-244096] {CVE-2026-72298} - ipv6: sit: reload inner IPv6 header after GSO offloads (Jamie Bainbridge) [RHEL-225905] {CVE-2026-53228} - ipvlan: Make the addrs_lock be per port (Jamie Bainbridge) [RHEL-229962] {CVE-2026-23103} - xfrm: Fix dev use-after-free in xfrm async resumption (Sabrina Dubroca) [RHEL-232949] {CVE-2026-31663} - xfrm: hold dev ref until after transport_finish NF_HOOK (Sabrina Dubroca) [RHEL-232949] {CVE-2026-31663} - xfrm: hold device only for the asynchronous decryption (Sabrina Dubroca) [RHEL-232949] {CVE-2026-31663} - xfrm: input: hold netns during deferred transport reinjection (Sabrina Dubroca) [RHEL-227504] {CVE-2026-63919} - xfrm: fix stale skb->prev after async crypto steals a GSO segment (Sabrina Dubroca) [RHEL-236099] {CVE-2026-68426} - xfrm: propagate -EINPROGRESS from validate_xmit_xfrm() (Sabrina Dubroca) [RHEL-236099] {CVE-2026-68426} - xfrm: policy: fix use-after-free on inexact bin in xfrm_policy_bysel_ctx() (Sabrina Dubroca) [RHEL-227976] {CVE-2026-53239} - ip6: vti: Use ip6_tnl.net in vti6_changelink(). (Sabrina Dubroca) [RHEL-231741] {CVE-2026-63917} - ip6: vti: Use ip6_tnl.net in vti6_siocdevprivate(). (Sabrina Dubroca) [RHEL-228934] {CVE-2026-63921} - inet: RAW sockets using IPPROTO_RAW MUST drop incoming ICMP (Jamie Bainbridge) [RHEL-226122] {CVE-2026-46266} - ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table() (Jamie Bainbridge) [RHEL-227265] {CVE-2026-64002} - ppp: require CAP_NET_ADMIN in target netns for unattached ioctls (Jamie Bainbridge) [RHEL-227981] {CVE-2026-53075} - ipv6: mcast: Fix use-after-free when processing MLD queries (Jamie Bainbridge) [RHEL-226057] {CVE-2026-53275} - net: guard timestamp cmsgs to real error queue skbs (Jamie Bainbridge) [RHEL-225848] {CVE-2026-53223} - flow_dissector: do not dissect PPPoE PFC frames (Jamie Bainbridge) [RHEL-232609] {CVE-2026-46306} - ipv6: prevent possible UaF in addrconf_permanent_addr() (Jamie Bainbridge) [RHEL-225595] {CVE-2026-43339} - net: slip: serialize receive against buffer reallocation (Michal Schmidt) [RHEL-237390] {CVE-2026-68143} - slip: not call free_netdev before rtnl_unlock in slip_open (Michal Schmidt) [RHEL-237390] - slip: Fix use-after-free Read in slip_open (Michal Schmidt) [RHEL-237390] - slip: Fix memory leak in slip_open error path (Michal Schmidt) [RHEL-237390] - netfilter: require Ethernet MAC header before using eth_hdr() (CKI Backport Bot) [RHEL-230663] {CVE-2026-53131} - netfilter: nf_conntrack_h323: fix OOB read in decode_choice() (CKI Backport Bot) [RHEL-230607] {CVE-2026-43233} - ALSA: timer: Fix UAF at snd_timer_user_params() (CKI Backport Bot) [RHEL-228683] {CVE-2026-53192} - netfilter: xt_policy: fix strict mode inbound policy matching (CKI Backport Bot) [RHEL-228832] {CVE-2026-52920} - netfilter: conntrack_irc: fix possible out-of-bounds read (CKI Backport Bot) [RHEL-225240] {CVE-2026-53268} - IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN (CKI Backport Bot) [RHEL-191599] {CVE-2026-53176} IMPORTANT Copyright 2026 Oracle, Inc. CVE-2026-23103 CVE-2026-31663 CVE-2026-43233 CVE-2026-43339 CVE-2026-46266 CVE-2026-46306 CVE-2026-52920 CVE-2026-53075 CVE-2026-53131 CVE-2026-53176 CVE-2026-53192 CVE-2026-53223 CVE-2026-53228 CVE-2026-53239 CVE-2026-53268 CVE-2026-53275 CVE-2026-63917 CVE-2026-63919 CVE-2026-63921 CVE-2026-64002 CVE-2026-68143 CVE-2026-68426 cpe:/o:oracle:linux:8::baseos_latest cpe:/o:oracle:linux:8:10:baseos_patch cpe:/a:oracle:linux:8::codeready_builder