Linux Distros Unpatched Vulnerability : CVE-2022-50166

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Linux Distros Unpatched Vulnerability : CVE-2021-47180

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NFC: nci: fix memory leak in nciallocatedevice nfcmrvldisconnect fails to free the hcidev field in struct ncidev. Fix this by freeing hcidev in ncifreedevice...

NFC: nci: uart: Set tty->disc_data only in success path

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CVE-2025-38128 Bluetooth: MGMT: reject malformed HCI_CMD_SYNC commands

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: reject malformed HCICMDSYNC commands In 'mgmthcicmdsync', check whether the size of parameters passed in 'struct mgmtcphcicmdsync' matches the total size of the data i.e. 'sizeofstruct mgmtcphcicmdsync' plus...

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...

Volkswagen MIB3 Infotainment 安全漏洞

Volkswagen MIB3 Infotainment is an infotainment system on a vehicle from Volkswagen Germany. A security vulnerability exists in the Volkswagen MIB3 Infotainment that stems from a lack of proper validation of user-supplied data in the Bluetooth stack, which could result in an integer overflow when...

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...

AZL-70358 CVE-2022-50166 affecting package kernel 5.15.200.1-1

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...

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, which stems from a null pointer dereference in xhci on removal...

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 queuing only chained jobs when the HCI work queue is empty...

PT-2025-28878

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A use-after-free vulnerability exists in the vhci flush function within the Bluetooth HCI core of the Linux kernel. The vulnerability occurs when a thread closes a vhci file descriptor...

Astra Linux – Vulnerability in Linux 6.12

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...

CVE-2022-3746

A potential vulnerability was discovered in LCFC BIOS for some Lenovo consumer notebook models that could allow a local attacker with elevated privileges to cause some peripherals to work abnormally due to an exposed Embedded Controller EC interface...

kernel: Bluetooth: HCI: Fix potential null-ptr-deref

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HCI: Fix potential null-ptr-deref Fix potential null-ptr-deref in hcilebigsyncestablishedevt...

kernel: Bluetooth: hci_conn: Fix UAF in hci_enhanced_setup_sync

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: Fix UAF in hcienhancedsetupsync This checks if the ACL connection remains valid as it could be destroyed while hcienhancedsetupsync is pending on cmdsync leading to the following trace: BUG: KASAN:...

DEBIAN-CVE-2022-49908

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix memory leak in vhciwrite Syzkaller reports a memory leak as follows: ==================================== BUG: memory leak unreferenced object 0xffff88810d81ac00 size 240: ... hex dump first 32 bytes: 00 00 ...

The vulnerability of the nci_close_device() function in the net/nfc/nci/core.c module, which is part of the NFC NCI support for Linux operating systems, allows a perpetrator to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the nciclosedevice function in the net/nfc/nci/core.c module, which supports NFC NCI implementations in Linux operating systems, is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality...

DEBIAN-CVE-2025-21969

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...

CVE-2025-21969 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...

SUSE CVE-2023-53018

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hciconn: Fix memory leaks When hcicmdsyncqueue failed in hcileterminatebig or hcilebigterminate, the memory pointed by variable d is not freed, which will cause memory leak. Add release process to error path...