CVE-2026-64433

CVE-2026-64433 is a Use-After-Free in the Linux kernel's Bluetooth MGMT subsystem (net/bluetooth/mgmt.c). The function add_device_complete() calls hci_conn_params_lookup() and reads params->flags without holding hci_dev_lock, allowing a concurrent MGMT_OP_REMOVE_DEVICE to free the underlying o...

CVE-2026-53251 Bluetooth: ISO: Fix not releasing hdev reference on iso_conn_big_sync

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix not releasing hdev reference on isoconnbigsync hcigetroute returns a reference-counted hcidev pointer via hcidevhold. The function exits normally or with an error without ever releasing it...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisock: Prevent race conditions in socket write iteration and sock bind. There is a potential race condition between sock bind and socket write iteration. bind may free the same memory block via mgmtpending before the...

SUSE CVE-2026-46056

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix potential UAF in SSP passkey handlers hciconn lookup and field access must be covered by hdev lock in hciuserpasskeynotifyevt and hcikeypressnotifyevt, otherwise the connection can be freed concurrently...

CVE-2026-46056

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix potential UAF in SSP passkey handlers hciconn lookup and field access must be covered by hdev lock in hciuserpasskeynotifyevt and hcikeypressnotifyevt, otherwise the connection can be freed concurrently...

CVE-2026-46056

The CVE-2026-46056 entry documents a Linux kernel Bluetooth UAF vulnerability in the SSP passkey handlers (hci_event path). The issue arises when hci_conn lookup and field access are performed without holding the hdev lock, creating a window where a connection could be freed concurrently in hci_u...

SUSE CVE-2026-43018

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix potential UAF in hcileremoteconnparamreqevt hciconn lookup and field access must be covered by hdev lock in hcileremoteconnparamreqevt, otherwise it's possible it is freed concurrently. Extend the...

CVE-2026-43018

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix potential UAF in hcileremoteconnparamreqevt hciconn lookup and field access must be covered by hdev lock in hcileremoteconnparamreqevt, otherwise it's possible it is freed concurrently. Extend the...

CVE-2026-43018

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix potential UAF in hcileremoteconnparamreqevt hciconn lookup and field access must be covered by hdev lock in hcileremoteconnparamreqevt, otherwise it's possible it is freed concurrently. Extend the...

CVE-2026-43018 Bluetooth: hci_event: fix potential UAF in hci_le_remote_conn_param_req_evt

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcievent: fix potential UAF in hcileremoteconnparamreqevt hciconn lookup and field access must be covered by hdev lock in hcileremoteconnparamreqevt, otherwise it's possible it is freed concurrently. Extend the...

SUSE CVE-2025-68305

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisock: Prevent race in socket write iter and sock bind There is a potential race condition between sock bind and socket write iter. bind may free the same cmd via mgmtpending before write iter sends the cmd, just as...

PT-2025-51709

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a race condition within the Bluetooth implementation, specifically in the interaction between socket binding and socket write iteration. This condition can lead...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990626)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990626 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcicore: Fix possible buffer overflow struct hcidevinfo has a fixed size name8 field s...

AZL-72334 CVE-2024-58241 affecting package kernel 5.15.200.1-1

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...

DEBIAN-CVE-2023-53057

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HCI: Fix global-out-of-bounds To loop a variable-length array, hciinitstagesyncstage considers that stagei is valid as long as stagei-1.func is valid. Thus, the last element of stage.func should be intentionally invali...

CVE-2025-21969

CVE-2025-21969 is a Linux kernel vulnerability in the Bluetooth stack (L2CAP). The issue is a slab-use-after-free in l2cap_send_cmd when the hci sync path releases l2cap_conn but a worker still references it. The root cause is a race between the hci receive data work queue and the l2cap_conn life...

PT-2022-35114

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v6.0.3 Description The issue is related to the use of hci dev test and set flag in mgmt init hdev. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions pri...

PT-2021-24735

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.12.4 Description A potential issue exists due to a deadlock between hci dev-lock and socket lock in Bluetooth functionality. The actual impact and attack plausibility have not yet been proven. Recommendations...

PT-2021-28729

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.12.4 Description The issue is related to a potential deadlock between hci dev-lock and socket lock in Bluetooth functionality. The actual impact and attack plausibility have not yet been proven. Recommendation...

PT-2021-24837

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.10.37 Description: The issue is related to a potential deadlock between hci dev-lock and socket lock in Bluetooth functionality. The actual impact and attack plausibility have not yet been proven...