CVE-2026-74302

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix UAF in hciunregisterdev hciunregisterdev does not disable cmdtimer and ncmdtimer before the hcidev structure is freed. If a timeout fires during device teardown, the callback dereferences freed memory...

UBUNTU-CVE-2026-74302

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix UAF in hciunregisterdev hciunregisterdev does not disable cmdtimer and ncmdtimer before the hcidev structure is freed. If a timeout fires during device teardown, the callback dereferences freed memory...

CVE-2026-74302

The CVE-2026-74302 issue affects the Linux kernel Bluetooth HCI core, specifically hci_unregister_dev(), where cmd_timer and ncmd_timer are not disabled before freeing the hci_dev, leading to use-after-free. The documented fix adds disable_delayed_work_sync() alongside existing disable_work_sync(...

EUVD-2026-59449

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix UAF in hciunregisterdev hciunregisterdev does not disable cmdtimer and ncmdtimer before the hcidev structure is freed. If a timeout fires during device teardown, the callback dereferences freed memory...

Linux Distros Unpatched Vulnerability : CVE-2026-74302

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hcicore: Fix UAF in hciunregisterdev hciunregisterdev does not disable cmdtimer and ncmdtimer before the hcidev structure is freed. If a timeout fire...

SUSE CVE-2024-58241

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Disable works on hciunregisterdev This make use of disablework on hciunregisterdev since the hcidev is about to be freed new submissions are not disarable...

CVE-2024-58241 Bluetooth: hci_core: Disable works on hci_unregister_dev

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Disable works on hciunregisterdev This make use of disablework on hciunregisterdev since the hcidev is about to be freed new submissions are not disarable...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from undisabled works in hciunregisterdev, which may cause new commits to be undesirable...

kernel: Bluetooth: hci_core: Fix use-after-free in vhci_flush()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix use-after-free in vhciflush syzbot reported use-after-free in vhciflush without repro. 0 From the splat, a thread closed a vhci file descriptor while its device was being used by iotcl on another thread...

CVE-2022-49136

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: Fix queuing commands when HCIUNREGISTER is set hcicmdsyncqueue shall return an error if HCIUNREGISTER flag has been set as that means hciunregisterdev has been called so it will likely cause a uaf after the...

The vulnerability of the hci_unregister_dev() function (net/bluetooth/hci_core.c) in the Linux operating system’s Bluetooth kernel driver allows a attacker to cause a service failure.

The vulnerability of the hciunregisterdev function net/bluetooth/hcicore.c in the Linux operating system’s Bluetooth kernel driver is related to improper resource locking. Exploiting this vulnerability could allow an attacker to cause a service failure...

kernel: Bluetooth: hci_core: cancel all works upon hci_unregister_dev()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: cancel all works upon hciunregisterdev syzbot is reporting that calling hcireleasedev from hcierrorreset due to hcidevput from hcierrorreset can cause deadlock at destroyworkqueue, for hcierrorreset is called...

SUSE CVE-2024-41063

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: cancel all works upon hciunregisterdev syzbot is reporting that calling hcireleasedev from hcierrorreset due to hcidevput from hcierrorreset can cause deadlock at destroyworkqueue, for hcierrorreset is called...

CVE-2024-41063

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: cancel all works upon hciunregisterdev syzbot is reporting that calling hcireleasedev from hcierrorreset due to hcidevput from hcierrorreset can cause deadlock at destroyworkqueue, for hcierrorreset is called...

CVE-2024-41063 Bluetooth: hci_core: cancel all works upon hci_unregister_dev()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: cancel all works upon hciunregisterdev syzbot is reporting that calling hcireleasedev from hcierrorreset due to hcidevput from hcierrorreset can cause deadlock at destroyworkqueue, for hcierrorreset is called...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a failure to cancel all jobs during the hciunregisterdev function, resulting in a possible deadlock when...

CVE-2021-3573

A flaw use-after-free in function hcisockboundioctl of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hciunregisterdev together with one of the calls hcisockblacklistadd, hcisockblacklistdel, hcigetconninfo,...

CVE-2021-3573

A use-after-free in function hcisockboundioctl of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hciunregisterdev together with one of the calls hcisockblacklistadd, hcisockblacklistdel, hcigetconninfo,...