In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix dangling pointer on mgmt_add_adv_patterns_monitor_complete This fixes the condition checking so mgmt_pending_valid is executed whenever status != -ECANCELED otherwise calling mgmt_pending_free(cmd) would kfree(cmd) without unlinking it from the list first, leaving a dangling pointer. Any subsequent list traversal (e.g., mgmt_pending_foreach during __mgmt_power_off, or another mgmt_pending_valid call) would dereference freed memory.
https://git.kernel.org/stable/c/bafec9325d4de26b6c49db75b5d5172de652aae0
https://git.kernel.org/stable/c/5f5fa4cd35f707344f65ce9e225b6528691dbbaa
https://git.kernel.org/stable/c/3a89c33deffb3cb7877a7ea2e50734cd12b064f2
https://git.kernel.org/stable/c/340666172cf747de58c283d2eef1f335f050538b