SUSE CVE-2026-98809

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: don't drain cmdsync backlog on unregister hciunregisterdev disables cmdwork and cmdtimer, then calls hcicmdsyncclear, whose cancelworksync waits for hcicmdsyncwork to return. That worker dequeues and runs ever...

AZL-108714 CVE-2026-98809 affecting package kernel 6.6.159.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: don't drain cmdsync backlog on unregister hciunregisterdev disables cmdwork and cmdtimer, then calls hcicmdsyncclear, whose cancelworksync waits for hcicmdsyncwork to return. That worker dequeues and runs ever...

DEBIAN-CVE-2026-98809

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: don't drain cmdsync backlog on unregister hciunregisterdev disables cmdwork and cmdtimer, then calls hcicmdsyncclear, whose cancelworksync waits for hcicmdsyncwork to return. That worker dequeues and runs ever...

EUVD-2026-103894

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: don't drain cmdsync backlog on unregister hciunregisterdev disables cmdwork and cmdtimer, then calls hcicmdsyncclear, whose cancelworksync waits for hcicmdsyncwork to return. That worker dequeues and runs ever...

Linux Distros Unpatched Vulnerability : CVE-2026-98809

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: hcisync: don't drain cmdsync backlog on unregister hciunregisterdev disables cmdwork and cmdtimer, then calls hcicmdsyncclear, whose cancelworksync...

CVE-2026-98809: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: don't drain cmdsync backlog on unregister hciunregisterdev disables cmdwork and cmdtimer, then calls hcicmdsyncclear, whose cancelworksync waits for hcicmdsyncwork to return. That worker dequeues and runs ever...

SUSE 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

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...

CVE-2026-74302 Bluetooth: hci_core: Fix UAF in hci_unregister_dev()

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...

CVE-2026-74302: Undefined Security Weakness

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 Kernel Security Vulnerabilities

The Linux kernel has a security vulnerability. This vulnerability stems from the fact that the hciunregisterdev function in the Bluetooth hcicore module does not disable the cmdtimer and ncmdtimer timers before releasing the hcidev structure. This could lead to reusing the structure after release...

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...

CVE-2024-58241: Undefined Security Weakness

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 Security Vulnerabilities

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...