CVE-2026-46140

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: validate WMT event SKB length before struct access btmtkusbhciwmtsync casts the WMT event response SKB data to struct btmtkhciwmtevt 7 bytes and struct btmtkhciwmtevtfuncc 9 bytes without first checking that the...

CVE-2026-46186

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: validate rx pkttype header length virtbtrxhandle reads the leading pkttype byte from the RX skb and forwards the remainder to hcirecvframe for every event/ACL/SCO/ISO type, without checking that the remaining...

UBUNTU-CVE-2026-46111

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: fix potential UAF in createbigsync Add hciconnvalid check in createbigsync to detect stale connections before proceeding with BIG creation. Handle the resulting -ECANCELED in createbigcomplete and re-validate...

CVE-2026-46186 Bluetooth: virtio_bt: validate rx pkt_type header length

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: validate rx pkttype header length virtbtrxhandle reads the leading pkttype byte from the RX skb and forwards the remainder to hcirecvframe for every event/ACL/SCO/ISO type, without checking that the remaining...

CVE-2026-46186

Summary: CVE-2026-46186 affects the Linux kernel Bluetooth virtio_bt driver. The vulnerability arises in virtbt_rx_handle(), which reads the leading pkt_type byte from RX skb and forwards the rest to hci_recv_frame() for multiple packet types without validating that the remaining payload is large...

CVE-2026-46186 Bluetooth: virtio_bt: validate rx pkt_type header length

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: validate rx pkttype header length virtbtrxhandle reads the leading pkttype byte from the RX skb and forwards the remainder to hcirecvframe for every event/ACL/SCO/ISO type, without checking that the remaining...

CVE-2026-46186

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: validate rx pkttype header length virtbtrxhandle reads the leading pkttype byte from the RX skb and forwards the remainder to hcirecvframe for every event/ACL/SCO/ISO type, without checking that the remaining...

EUVD-2026-32813

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: validate rx pkttype header length virtbtrxhandle reads the leading pkttype byte from the RX skb and forwards the remainder to hcirecvframe for every event/ACL/SCO/ISO type, without checking that the remaining...

CVE-2026-46186

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: virtiobt: validate rx pkttype header length virtbtrxhandle reads the leading pkttype byte from the RX skb and forwards the remainder to hcirecvframe for every event/ACL/SCO/ISO type, without checking that the remaining...

CVE-2026-46140

CVE-2026-46140 affects the Linux kernel Bluetooth btmtk driver. The wmt event handling in btmtk_usb_hci_wmt_sync() casts SKB data to btmtk_hci_wmt_evt structures (7/9 bytes) without ensuring sufficient payload, risking out-of-bounds reads from SKB tailroom when a short firmware response is receiv...

CVE-2026-46140 Bluetooth: btmtk: validate WMT event SKB length before struct access

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: validate WMT event SKB length before struct access btmtkusbhciwmtsync casts the WMT event response SKB data to struct btmtkhciwmtevt 7 bytes and struct btmtkhciwmtevtfuncc 9 bytes without first checking that the...

CVE-2026-46140

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: validate WMT event SKB length before struct access btmtkusbhciwmtsync casts the WMT event response SKB data to struct btmtkhciwmtevt 7 bytes and struct btmtkhciwmtevtfuncc 9 bytes without first checking that the...

EUVD-2026-32767

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: validate WMT event SKB length before struct access btmtkusbhciwmtsync casts the WMT event response SKB data to struct btmtkhciwmtevt 7 bytes and struct btmtkhciwmtevtfuncc 9 bytes without first checking that the...

CVE-2026-46140 Bluetooth: btmtk: validate WMT event SKB length before struct access

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: validate WMT event SKB length before struct access btmtkusbhciwmtsync casts the WMT event response SKB data to struct btmtkhciwmtevt 7 bytes and struct btmtkhciwmtevtfuncc 9 bytes without first checking that the...

CVE-2026-46140

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtk: validate WMT event SKB length before struct access btmtkusbhciwmtsync casts the WMT event response SKB data to struct btmtkhciwmtevt 7 bytes and struct btmtkhciwmtevtfuncc 9 bytes without first checking that the...

CVE-2026-46138

The CVE-2026-46138 issue affects the Linux kernel Bluetooth subsystem, specifically hci_le_create_big_complete_evt. A loop over BT_BOUND connections for a BIG handle may access ev->bis_handle[i++] without ensuring i

EUVD-2026-32765

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix OOB read and infinite loop in hcilecreatebigcompleteevt hcilecreatebigcompleteevt iterates over BTBOUND connections for a BIG handle using a while loop, accessing ev-bishandlei++ on each iteration. Howeve...

CVE-2026-46138 Bluetooth: hci_event: Fix OOB read and infinite loop in hci_le_create_big_complete_evt

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix OOB read and infinite loop in hcilecreatebigcompleteevt hcilecreatebigcompleteevt iterates over BTBOUND connections for a BIG handle using a while loop, accessing ev-bishandlei++ on each iteration. Howeve...

CVE-2026-46138

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix OOB read and infinite loop in hcilecreatebigcompleteevt hcilecreatebigcompleteevt iterates over BTBOUND connections for a BIG handle using a while loop, accessing ev-bishandlei++ on each iteration. Howeve...

CVE-2026-46138 Bluetooth: hci_event: Fix OOB read and infinite loop in hci_le_create_big_complete_evt

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: Fix OOB read and infinite loop in hcilecreatebigcompleteevt hcilecreatebigcompleteevt iterates over BTBOUND connections for a BIG handle using a while loop, accessing ev-bishandlei++ on each iteration. Howeve...