CVE-2023-53252 Bluetooth: use RCU for hci_conn_params and iterate safely in hci_sync

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: use RCU for hciconnparams and iterate safely in hcisync hciupdateacceptlistsync iterates over hdev-pendleconns and hdev-pendlereports, and waits for controller events in the loop body, without holding hdev lock...

CVE-2023-53252 Bluetooth: use RCU for hci_conn_params and iterate safely in hci_sync

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: use RCU for hciconnparams and iterate safely in hcisync hciupdateacceptlistsync iterates over hdev-pendleconns and hdev-pendlereports, and waits for controller events in the loop body, without holding hdev lock...

CVE-2023-53252

The CVE-2023-53252 entry applies to the Linux kernel Bluetooth stack. The vulnerability arises in hci_update_accept_list_sync where hci_conn_params/hci_sync lists are iterated while the lists can be modified (e.g., by le_scan_cleanup) without holding the device lock, risking an invalid list curso...

Bluetooth: hci_sync: fix double free in 'hci_discovery_filter_clear()'

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CVE-2025-38593

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix double free in 'hcidiscoveryfilterclear' Function 'hcidiscoveryfilterclear' frees 'uuids' array and then sets it to NULL. There is a tiny chance of the following race: 'hcicmdsyncwork'...

AZL-66513 CVE-2025-38593 affecting package kernel for versions less than 6.6.117.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix double free in 'hcidiscoveryfilterclear' Function 'hcidiscoveryfilterclear' frees 'uuids' array and then sets it to NULL. There is a tiny chance of the following race: 'hcicmdsyncwork'...

CVE-2025-38593 Bluetooth: hci_sync: fix double free in 'hci_discovery_filter_clear()'

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix double free in 'hcidiscoveryfilterclear' Function 'hcidiscoveryfilterclear' frees 'uuids' array and then sets it to NULL. There is a tiny chance of the following race: 'hcicmdsyncwork'...

DEBIAN-CVE-2023-53046

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix race condition in hcicmdsyncclear There is a potential race condition in hcicmdsyncwork and hcicmdsyncclear, and could lead to use-after-free. For instance, hcicmdsyncwork is added to the 'reqworkqueue' after...

UBUNTU-CVE-2023-53017

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: fix memory leak in hciupdateadvdata When hcicmdsyncqueue failed in hciupdateadvdata, instptr is not freed, which will cause memory leak, convert to use ERRPTR/PTRERR to pass the instance to callback so no memo...

DEBIAN-CVE-2022-49139

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix null ptr deref on hcisyncconncompleteevt This event is just specified for SCO and eSCO link types. On the reception of a HCISynchronousConnectionComplete for a BDADDR of an existing LE connection, LE link type and ...

UBUNTU-CVE-2022-49139

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix null ptr deref on hcisyncconncompleteevt This event is just specified for SCO and eSCO link types. On the reception of a HCISynchronousConnectionComplete for a BDADDR of an existing LE connection, LE link type and ...

AZL-53298 CVE-2024-50255 affecting package kernel for versions less than 6.6.64.2-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci: fix null-ptr-deref in hcireadsupportedcodecs Fix hcicmdsyncsk to return not NULL for unknown opcodes. hcicmdsyncsk returns NULL if a command returns a status event. However, it also returns NULL where an opcode...

AZL-42226 CVE-2024-35978 affecting package kernel for versions less than 5.15.158.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix memory leak in hcireqsynccomplete In 'hcireqsynccomplete', always free the previous sync request state before assigning reference to a new one...

In the Linux kernel through 6.2.8 net/bluetooth/hci_sync.c allows out-of-bounds access because amp_init1[] and amp_init2[] are supposed to have an intentionally invalid element but do not.

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SUSE CVE-2023-28866

In the Linux kernel through 6.2.8, net/bluetooth/hcisync.c allows out-of-bounds access because ampinit1 and ampinit2 are supposed to have an intentionally invalid element, but do not...

AZL-25933 CVE-2023-28866 affecting package kernel for versions less than 5.15.122.1-2

In the Linux kernel through 6.2.8, net/bluetooth/hcisync.c allows out-of-bounds access because ampinit1 and ampinit2 are supposed to have an intentionally invalid element, but do not...

UBUNTU-CVE-2023-28866

In the Linux kernel through 6.2.8, net/bluetooth/hcisync.c allows out-of-bounds access because ampinit1 and ampinit2 are supposed to have an intentionally invalid element, but do not...

Linux kernel 缓冲区错误漏洞

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 version 6.2.8 and earlier, which stems from net/bluetooth/hcisync.c allowing out-of-bounds access...