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Red Hat Security Advisory

RHSA-2026:65334

kernel security, bug fix, and enhancement update

Released 2026-09-08 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 29 records

Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: handle inline data with a nonzero offset nvmet_rdma_use_inline_sg() maps the host-controlled inline data offset into the per-command inline…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00714 Published 2026-08-15 Partial fix · 5.10.261, 5.15.212 +6
Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: dm-verity: fix buffer overflow in FEC calculation There's a buffer overflow in dm-verity-fec: if (neras && *neras <= v->fec->roots) fio->erasures[(*nera…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00789 Published 2026-08-15 Partial fix · 6.1.191, 6.6.160 +4 CWE-787
Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: ixgbevf: fix use-after-free in VEPA multicast source pruning ixgbevf_clean_rx_irq() prunes frames whose source MAC matches the VF's own address (VEPA mu…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00527 Published 2026-07-19 Partial fix · 5.10.258, 5.15.209 +6 CWE-416
Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mld: fix TSO segmentation explosion when AMSDU is disabled When the TLC notification disables AMSDU for a TID, the MLD driver sets max_ti…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.0043 Published 2026-07-19 Fixed in 6.18.34, 7.0.11 +1 CWE-20
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: defer link RX stats percpu free to RCU sta_remove_link() frees a removed MLO link's RX stats percpu buffer right away, but defers only t…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00306 Published 2026-08-10 Partial fix · 6.1.191, 6.6.160 +4 CWE-416
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mld: validate sta_mask before ffs() in BA session handlers Three BA session handlers use ffs(ba_data->sta_mask) - 1 to derive a station I…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00273 Published 2026-07-24 Partial fix · 6.18.38, 7.1.3 +1 CWE-125
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: capture fast-RX rate before mesh reuses skb->cb ieee80211_invoke_fast_rx() reads RX status through IEEE80211_SKB_RXCB(skb), which aliase…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00265 Published 2026-07-19 Partial fix · 6.6.160, 6.12.114 +3 CWE-416
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix possible crash on l2cap_ecred_conn_rsp If dcid is received for an already-assigned destination CID the spec requires that both cha…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00274 Published 2026-07-19 Partial fix · 5.10.259, 5.15.210 +6 CWE-667
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: fix missing length checks in hidp_input_report() hidp_input_report() reads keyboard and mouse payload data from an skb without first ve…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00347 Published 2026-07-19 Partial fix · 5.15.210, 6.1.176 +5 CWE-125
TI-2026-45511 CVE-2026-63946 · GHSA-9g79-vcq4-5rfr

Bluetooth: ISO: fix UAF in iso_recv_frame

Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix UAF in iso_recv_frame iso_recv_frame reads conn->sk under iso_conn_lock but releases the lock before using sk, with no reference hel…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00261 Published 2026-07-19 Partial fix · 6.1.176, 6.6.143 +4 CWE-416
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: fix UAF in hci_le_create_cis_sync hci_le_create_cis_sync() dereferences conn->conn_timeout after releasing both rcu_read_lock() and…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00334 Published 2026-07-19 Fixed in 6.6.143, 6.12.93 +3 CWE-416
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smp_cmd_pairing_req() currently builds the pairing response from…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00278 Published 2026-05-08 Partial fix · 5.10.253, 5.15.203 +6 CWE-863
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER When protocol sets HCI_PROTO_DEFER, hci_conn_request_evt() calls hci_connect_cfm(c…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00196 Published 2026-06-24 Partial fix · 5.10.258, 5.15.209 +6 CWE-362
TI-2026-38005 CVE-2026-52918 · GHSA-rf7j-4mgx-52c3

Bluetooth: serialize accept_q access

Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: serialize accept_q access bt_sock_poll() walks the accept queue without synchronization, while child teardown can unlink the same socket and…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00218 Published 2026-06-24 Partial fix · 5.10.259, 5.15.210 +6 CWE-362
Priority LOW 37

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Check BAR resources before exporting a DMABUF A DMABUF exports access to BAR resources and, although they are requested at startup time, we ne…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00141 Published 2026-07-19 Fixed in 7.0.11, 7.1 CWE-862
Priority LOW 37

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Clean up DMABUFs before disabling function On device shutdown, make vfio_pci_core_close_device() call vfio_pci_dma_buf_cleanup() before the fu…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.0013 Published 2026-06-26 Fixed in 7.0.10, 7.1 CWE-415
TI-2026-46079 CVE-2026-64515 · GHSA-x6wq-gx7f-g22h

wifi: mac80211: fix MLE defragmentation

Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix MLE defragmentation If either reconf or EPCS multi-link element (MLE) is contained in a non-transmitted profile, the defragmentation…

CVSS 3.1HIGH 8.3 Adjacent network No auth No interaction EPSS 0.00236 Published 2026-07-25 Fixed in 6.12.92, 6.18.34 +2 CWE-787
Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: hold listener socket in rfcomm_connect_ind() rfcomm_get_sock_by_channel() scans rfcomm_sk_list under the list lock, but returns the s…

CVSS 3.1HIGH 8.0 Adjacent network Low privileges No interaction EPSS 0.00264 Published 2026-06-25 Partial fix · 5.10.259, 5.15.210 +6 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: security/keys: fix missed RCU read section on lookup Nicholas Carlini reports that the keyring code calls assoc_array_find() in find_key_to_update() wit…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00155 Published 2026-07-19 Partial fix · 5.10.273, 5.15.224 +6 CWE-362
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: validate skb length in MCC handlers The RFCOMM MCC handlers cast skb->data to protocol-specific structs without validating skb->len f…

CVSS 3.1HIGH 8.1 Adjacent network No auth No interaction EPSS 0.00275 Published 2026-06-25 Partial fix · 5.15.210, 6.1.176 +5 CWE-125
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: reject oversized Broadcast Announcement prepend Existing advertising instances can already hold the maximum extended advertising pa…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0013 Published 2026-06-25 Fixed in 6.1.176, 6.6.143 +5 CWE-122
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: reject oversized EMA RNR lists nl80211_parse_rnr_elems() stores the parsed element count in a u8-backed cfg80211_rnr_elems::cnt field and…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0013 Published 2026-06-25 Partial fix · 6.1.176, 6.6.143 +4 CWE-190
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: net: pull headers in qdisc_pkt_len_segs_init() Most ndo_start_xmit() methods expects headers of gso packets to be already in skb->head.

CVSS 3.1HIGH 8.4 Local Low privileges No interaction EPSS 0.00139 Published 2026-06-24 Partial fix · 6.6.160, 6.12.114 +2 CWE-131
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove In qrtr_port_remove(), the socket reference count is decremented via __sock_put…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00106 Published 2026-06-24 Partial fix · 5.10.259, 5.15.210 +6 CWE-362
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Add overflow check to remap_pfn_range during mmap The call to remap_pfn_range in qaic_gem_object_mmap is susceptible to (re)mapping beyond t…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00129 Published 2026-07-19 Fixed in 6.6.142, 6.12.92 +3 CWE-416
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtio_bt: clamp rx length before skb_put virtbt_rx_work() calls skb_put(skb, len) where len comes directly from virtqueue_get_buf() with no…

CVSS 3.1HIGH 7.7 Local No auth No interaction EPSS 0.00142 Published 2026-05-28 Fixed in 5.15.209, 6.1 +6 CWE-787
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation Commit cc3ed80ae69f ("KVM: nSVM: always use vmcb01 to for vmsave/vmload of guest state") made KV…

CVSS 3.1HIGH 7.9 Local Low privileges No interaction EPSS 0.00133 Published 2026-05-06 Partial fix · 5.15.202, 6.1.165 +5 CWE-754
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix crash in reset link replay During reset recovery, mt7925_vif_connect_iter() replays firmware state for links tracked in mvif->va…

CVSS — EPSS 0.00168 Published 2026-08-10 Partial fix · 6.12.101, 6.18.42 +2
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: drop TXRX_NOTIFY on non-mmio buses PKT_TYPE_TXRX_NOTIFY is an mmio-only event, but mt7925_rx_check() and mt7925_queue_rx_skb() dispa…

CVSS — EPSS 0.00206 Published 2026-08-10 Partial fix · 6.12.101, 6.18.42 +2