Issued at: 2026-09-10
Updated at: 2026-09-10
Advisory content derived from Red Hat RHSA-2026:65334, © 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: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation (CVE-2026-43133)
* kernel: Bluetooth: SMP: force responder MITM requirements before building the pairing response (CVE-2026-43334)
* kernel: Bluetooth: virtio_bt: clamp rx length before skb_put (CVE-2026-46123)
* kernel: Bluetooth: serialize accept_q access (CVE-2026-52918)
* kernel: net: pull headers in qdisc_pkt_len_segs_init() (CVE-2026-53091)
* 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: Bluetooth: RFCOMM: validate skb length in MCC handlers (CVE-2026-53254)
* kernel: vfio/pci: Clean up DMABUFs before disabling function (CVE-2026-53322)
* kernel: Bluetooth: L2CAP: Fix possible crash on l2cap_ecred_conn_rsp (CVE-2026-63975)
* kernel: security/keys: fix missed RCU read section on lookup (CVE-2026-64015)
* 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: 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: vfio/pci: Check BAR resources before exporting a DMABUF (CVE-2026-64042)
* kernel: accel/qaic: Add overflow check to remap_pfn_range during mmap (CVE-2026-64051)
* 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: wifi: mac80211: defer link RX stats percpu free to RCU (CVE-2026-68409)
* kernel: wifi: mt76: mt7925: fix crash in reset link replay (CVE-2026-68307)
* kernel: wifi: mt76: mt7925: drop TXRX_NOTIFY on non-mmio buses (CVE-2026-68193)
* kernel: dm-verity: fix buffer overflow in FEC calculation (CVE-2026-72098)
* kernel: nvmet-rdma: handle inline data with a nonzero offset (CVE-2026-72129)
Bug Fix(es) and Enhancement(s):
* rtla-timerlat-top doesn't stop properly when threshold is reached on multiple CPUs at once [rhel-10.2.z] (JIRA:Rocky Linux-193027)
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.