Issued at: 2026-09-15
Updated at: 2026-09-16
Advisory content derived from Red Hat RHSA-2026:67150, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: kernel security, bug fix, and enhancement update
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset (CVE-2025-68745)
* kernel: drm/xe: Open-code GGTT MMIO access protection (CVE-2026-23466)
* kernel: drm/xe: always keep track of remap prev/next (CVE-2026-31479)
* kernel: drm/amdgpu: Fix fence put before wait in amdgpu_amdkfd_submit_ib (CVE-2026-31566)
* kernel: drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat (CVE-2026-31656)
* kernel: rtnetlink: add missing netlink_ns_capable() check for peer netns (CVE-2026-31692)
* kernel: Bluetooth: SMP: force responder MITM requirements before building the pairing response (CVE-2026-43334)
* kernel: drm/i915: Fix potential overflow of shmem scatterlist length (CVE-2026-43368)
* kernel: drm/amdgpu: Fix use-after-free race in VM acquire (CVE-2026-43370)
* kernel: Bluetooth: serialize accept_q access (CVE-2026-52918)
* kernel: sctp: diag: reject stale associations in dump_one path (CVE-2026-52917)
* kernel: net: pull headers in qdisc_pkt_len_segs_init() (CVE-2026-53091)
* kernel: iommu/amd: Fix clone_alias() to use the original device's devid (CVE-2026-53053)
* kernel: Bluetooth: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER (CVE-2026-53072)
* kernel: net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove (CVE-2026-52947)
* kernel: Bluetooth: RFCOMM: hold listener socket in rfcomm_connect_ind() (CVE-2026-53256)
* kernel: wifi: nl80211: reject oversized EMA RNR lists (CVE-2026-53182)
* kernel: Bluetooth: hci_sync: reject oversized Broadcast Announcement prepend (CVE-2026-53209)
* kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (CVE-2026-53246)
* kernel: Bluetooth: RFCOMM: validate skb length in MCC handlers (CVE-2026-53254)
* kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (CVE-2026-63801)
* kernel: scsi: scsi_transport_fc: Widen FPIN pname walker counter to u32 (CVE-2026-63889)
* kernel: sctp: fix race between sctp_wait_for_connect and peeloff (CVE-2026-63971)
* kernel: Bluetooth: L2CAP: Fix possible crash on l2cap_ecred_conn_rsp (CVE-2026-63975)
* kernel: Bluetooth: HIDP: fix missing length checks in hidp_input_report() (CVE-2026-63947)
* kernel: Bluetooth: hci_sync: fix UAF in hci_le_create_cis_sync (CVE-2026-63944)
* kernel: Bluetooth: ISO: fix UAF in iso_recv_frame (CVE-2026-63946)
* kernel: Bluetooth: ISO: serialize iso_sock_clear_timer with socket lock (CVE-2026-63945)
* kernel: wifi: mac80211: capture fast-RX rate before mesh reuses skb->cb (CVE-2026-64117)
* kernel: wifi: iwlwifi: mld: fix TSO segmentation explosion when AMSDU is disabled (CVE-2026-64037)
* kernel: ixgbevf: fix use-after-free in VEPA multicast source pruning (CVE-2026-64113)
* kernel: wifi: iwlwifi: mld: validate sta_mask before ffs() in BA session handlers (CVE-2026-64255)
* kernel: wifi: mac80211: fix MLE defragmentation (CVE-2026-64515)
* kernel: mm/khugepaged: write all dirty file folios when collapsing (CVE-2026-68086)
* kernel: Linux kernel: Wi-Fi subsystem out-of-bounds read via crafted frames (CVE-2026-68402)
* kernel: sctp: fix auth_hmacs array size in struct sctp_cookie (CVE-2026-68376)
* kernel: wifi: cfg80211: validate PMSR FTM preamble range (CVE-2026-68406)
* kernel: tipc: clear sock->sk on the failed-insert path in tipc_sk_create() (CVE-2026-68117)
* kernel: sctp: auth: verify auth requirement when auth_chunk is NULL (CVE-2026-68300)
* kernel: drm/xe/pt: Reset current_op in xe_pt_update_ops_init() (CVE-2026-68264)
* kernel: sctp: validate stream count in sctp_process_strreset_inreq() (CVE-2026-68315)
* kernel: dm-verity: fix buffer overflow in FEC calculation (CVE-2026-72098)
Bug Fix(es) and Enhancement(s):
* gfs2: Various xfstests fixes [rhel-9.8.z] (JIRA:Rocky Linux-178219)
* rtla-timerlat-top doesn't stop properly when threshold is reached on multiple CPUs at once [rhel-9.8.z] (JIRA:Rocky Linux-193025)
* qede: build_skb failure causes off-by-one BD ring corruption and kernel panic [rhel-9.8.z] (JIRA:Rocky Linux-193050)
* Customer needs "netfilter: nfnetlink_queue: optimize verdict lookup with hash table" patch [rhel-9.8.z] (JIRA:Rocky Linux-224489)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.