kernel: Bluetooth: Fix use after free in hci_send_acl

A vulnerability was found in the Linux kernel's Bluetooth subsystem in the hcidisconnphylinkcompleteevt function. Improper cleanup and reference handling can lead to a connection object, hcon, being freed and then later accessed during a subsequent function call. This issue can lead to a...

kernel: Bluetooth: Fix use after free in hci_send_acl

A vulnerability was found in the Linux kernel's Bluetooth subsystem in the hcidisconnphylinkcompleteevt function. Improper cleanup and reference handling can lead to a connection object, hcon, being freed and then later accessed during a subsequent function call. This issue can lead to a...

kernel: Bluetooth: Fix use after free in hci_send_acl

A vulnerability was found in the Linux kernel's Bluetooth subsystem in the hcidisconnphylinkcompleteevt function. Improper cleanup and reference handling can lead to a connection object, hcon, being freed and then later accessed during a subsequent function call. This issue can lead to a...

CVE-2023-28908 Integer Overflow in Non-Fragmented Data Reception

A specific flaw exists within the Bluetooth stack of the MIB3 infotainment. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow when receiving non-fragmented HCI packets on a channel. The vulnerability was originally discovered in...

CVE-2022-50166

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: When HCI work queue is drained, only queue chained work The HCI command, event, and data packet processing workqueue is drained to avoid deadlock in commit 76727c02c1e1 "Bluetooth: Call drainworkqueue before resetting...

SUSE CVE-2022-50166

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: When HCI work queue is drained, only queue chained work The HCI command, event, and data packet processing workqueue is drained to avoid deadlock in commit 76727c02c1e1 "Bluetooth: Call drainworkqueue before resetting...

CVE-2022-50166

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: When HCI work queue is drained, only queue chained work The HCI command, event, and data packet processing workqueue is drained to avoid deadlock in commit 76727c02c1e1 "Bluetooth: Call drainworkqueue before resetting...

UBUNTU-CVE-2022-50166

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: When HCI work queue is drained, only queue chained work The HCI command, event, and data packet processing workqueue is drained to avoid deadlock in commit 76727c02c1e1 "Bluetooth: Call drainworkqueue before resetting...

CVE-2022-50166 Bluetooth: When HCI work queue is drained, only queue chained work

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: When HCI work queue is drained, only queue chained work The HCI command, event, and data packet processing workqueue is drained to avoid deadlock in commit 76727c02c1e1 "Bluetooth: Call drainworkqueue before resetting...

CVE-2022-50166

CVE-2022-50166 affects the Linux kernel Bluetooth HCI subsystem. When the HCI work queue is drained, a delayed command could still be queued to the drained workqueue, triggering a timeout in hci_cmd_timeout and a kernel warning. The root cause is the draining of the command/event/data processing ...

CVE-2022-50166 Bluetooth: When HCI work queue is drained, only queue chained work

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: When HCI work queue is drained, only queue chained work The HCI command, event, and data packet processing workqueue is drained to avoid deadlock in commit 76727c02c1e1 "Bluetooth: Call drainworkqueue before resetting...

CVE-2022-50166

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: When HCI work queue is drained, only queue chained work The HCI command, event, and data packet processing workqueue is drained to avoid deadlock in commit 76727c02c1e1 "Bluetooth: Call drainworkqueue before resetting...

UBUNTU-CVE-2025-38040

In the Linux kernel, the following vulnerability has been resolved: serial: mctrlgpio: split disablems into sync and nosync APIs The following splat has been observed on a SAMA5D27 platform using atmelserial: BUG: sleeping function called from invalid context at kernel/irq/manage.c:738 inatomic: ...

Security Bulletin: IBM Fusion and IBM Fusion HCI are vulnerable to request smuggling due to python package h11 (CVE-2025-43859)

Summary The python package h11 is used by IBM Fusion and IBM Fusion HCI as part of the Content Aware Storage service and the Backup and Restore service agent and is vulnerable to request smuggling under certain conditions due to CVE-2025-43859 in h11. Vulnerability Details CVEID:CVE-2025-43859...

kernel: Bluetooth: L2CAP: Fix slab-use-after-free Read in l2cap_send_cmd

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free Read in l2capsendcmd After the hci sync command releases l2capconn, the hci receive data work queue references the released l2capconn when sending to the upper layer. Add hci dev lock to...

kernel: Bluetooth: L2CAP: Fix slab-use-after-free Read in l2cap_send_cmd

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free Read in l2capsendcmd After the hci sync command releases l2capconn, the hci receive data work queue references the released l2capconn when sending to the upper layer. Add hci dev lock to...

2025-06 Cumulative security Hotpatch for Azure Stack HCI, version 21H2 and Windows Server 2022 Datacenter: Azure Edition for x64-based Systems (KB5060525)

Install this update to resolve issues in Windows. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article for more information...

KB5060526: Windows Server 2022 / Azure Stack HCI 22H2 Security Update (June 2025)

The remote Windows host is missing security update 5060526 or Hot Patch 5060525. It is, therefore, affected by multiple vulnerabilities - Heap-based buffer overflow in Windows Routing and Remote Access Service RRAS allows an unauthorized attacker to execute code over a network. CVE-2025-33066 -...

Vulnerabilities of the hci_cmd_sync_queue(), hci_le_terminate_big(), or hci_le_big_terminate() functions in the Linux operating system, allowing attackers to cause service failures

The vulnerabilities of the hcicmdsyncqueue, hcileterminatebig, or hcilebigterminate functions in the Linux operating system are related to memory leaks. Exploiting these vulnerabilities can allow an attacker to cause a service failure...

CVE-2024-11857

Bluetooth HCI Adaptor from Realtek has a Link Following vulnerability. Local attackers with regular privileges can create a symbolic link with the same name as a specific file, causing the product to delete arbitrary files pointed to by the link. Subsequently, attackers can leverage arbitrary fil...