CVE-2026-74509

The CVE applies to the Linux kernel Bluetooth HCI path for extended advertising. Root cause: hci_find_adv_instance() can return an adv_info pointer that remains valid only while hdev->lock is held, but advertisement data paths perform lookups without that lock and may retain the pointer while ...

CVE-2024-41062 bluetooth/l2cap: sync sock recv cb and release

In the Linux kernel, the following vulnerability has been resolved: bluetooth/l2cap: sync sock recv cb and release The problem occurs between the system call to close the sock and hcirxwork, where the former releases the sock and the latter accesses it without lock protection. CPU0 CPU1 ---- ----...

CVE-2024-41062 bluetooth/l2cap: sync sock recv cb and release

In the Linux kernel, the following vulnerability has been resolved: bluetooth/l2cap: sync sock recv cb and release The problem occurs between the system call to close the sock and hcirxwork, where the former releases the sock and the latter accesses it without lock protection. CPU0 CPU1 ---- ----...

CVE-2024-41062

CVE-2024-41062 concerns the Linux kernel Bluetooth L2CAP path where a race can occur between sock_close releasing a socket and hci_rx_work accessing it. The root cause is a lack of lock protection around the socket during the transition, potentially allowing hci_rx_work to touch a freed sock. The...

CVE-2024-36968 Bluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix div-by-zero in l2capleflowctlinit l2capleflowctlinit can cause both div-by-zero and an integer overflow since hdev-lemtu may not fall in the valid range. Move MTU from hcidev to hciconn to validate MTU and...