CVE-2025-5477: Heap-based Buffer Overflow

Sony XAV-AX8500 Bluetooth L2CAP Protocol Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Sony XAV-AX8500 devices. An attacker must first obtain the ability to pair a malicious Bluetooth devi...

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...

(Pwn2Own) Sony XAV-AX8500 Bluetooth L2CAP Protocol Heap-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected Sony XAV-AX8500 devices. An attacker must first obtain the ability to pair a malicious Bluetooth device with the target system in order to exploit this vulnerability. The specific flaw exists within the...

(Pwn2Own) Sony XAV-AX8500 Bluetooth Improper Isolation Authentication Bypass Vulnerability

This vulnerability allows network-adjacent attackers to bypass authentication on affected Sony XAV-AX8500 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of ACL-U links. The issue results from the lack of L2CAP channel...

CVE-2024-7137

The L2CAP receive data buffer for L2CAP packets is restricted to packet sizes smaller than the maximum supported packet size. Receiving a packet that exceeds the restricted buffer length may cause a crash. A hard reset is required to recover the crashed device...

CVE-2024-7138

An assert may be triggered, causing a temporary denial of service when a peer device sends a specially crafted malformed L2CAP packet. If a watchdog timer is not enabled, a hard reset is required to recover the device...

CVE-2024-7139

Due to an unchecked buffer length, a specially crafted L2CAP packet can cause a buffer overflow. This buffer overflow triggers an assert, which results in a temporary denial of service. If a watchdog timer is not enabled, a hard reset is required to recover the device...

CVE-2023-28116

Contiki-NG is an open-source, cross-platform operating system for internet of things IoT devices. In versions 4.8 and prior, an out-of-bounds write can occur in the BLE L2CAP module of the Contiki-NG operating system. The network stack of Contiki-NG uses a global buffer packetbuf for processing o...

CVE-2022-41972

Contiki-NG is an open-source, cross-platform operating system for Next-Generation IoT devices. Versions prior to 4.9 contain a NULL Pointer Dereference in BLE L2CAP module. The Contiki-NG operating system for IoT devices contains a Bluetooth Low Energy stack. An attacker can inject a packet in th...

CVE-2020-11141

u'Buffer over-read issue in Bluetooth estack due to lack of check for invalid length of L2cap configuration request received from peer device.' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon...

CVE-2020-11167

Memory corruption while calculating L2CAP packet length in reassembly logic when remote sends more data than expected in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearab...

CLSA-2025-1747725447 kernel: Fix of 35 CVEs

ext4: fix OOB read when checking dotdot dir CVE-2025-37785 - wifi: iwlwifi: limit printed string from FW file CVE-2025-21905 - drm/amdgpu: Fix potential out-of-bounds access in 'amdgpudiscoveryregbaseinit' CVE-2024-27042 - dm-crypt: don't modify the data when using authenticated encryption...

kernel: bluetooth/l2cap: sync sock recv cb and release

In the Linux kernel, the following vulnerability has been resolved: bluetooth/l2cap: sync sock recv cb and release The problem occurs between the system call to close the sock and hcirxwork, where the former releases the sock and the latter accesses it without lock protection. CPU0 CPU1 ---- ----...

kernel: Bluetooth: L2CAP: Fix uaf in l2cap_connect

A flaw was found in the Linux kernel's Bluetooth L2CAP Logical Link Control and Adaptation Protocol component. This use-after-free vulnerability in the l2capconnect function could allow a local attacker with administrative privileges to cause a denial of service or potentially execute arbitrary...

kernel: Bluetooth: L2CAP: handle NULL sock pointer in l2cap_sock_alloc

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: handle NULL sock pointer in l2capsockalloc A NULL sock pointer is passed into l2capsockalloc when it is called from l2capsocknewconnectioncb and the error handling paths should also be aware of it. Seemingly a...

kernel: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2capsockcreate btsockalloc allocates the sk object and attaches it to the provided sock object. On error l2capsockalloc frees the sk object, but the dangling pointer...

kernel: Bluetooth: L2CAP: Fix slab-use-after-free in l2cap_connect()

A use-after-free vulnerability exists in the Bluetooth stack of the Linux kernel. The l2capconnect does not return void during the function return, potentially leading to a loss of system availability...

Linux kernel use-after-release vulnerability (CNVD-2025-10177)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. The Linux kernel suffers from a post-release reuse vulnerability that stems from Bluetooth L2CAP post-release reuse, which could lead to arbitrary code execution. No detailed...

DEBIAN-CVE-2022-49910

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free caused by l2capreassemblesdu Fix the race condition between the following two flows that run in parallel: 1. l2capreassemblesdu - chan-ops-recv l2capsockrecvcb - sockqueuercvskb. 2...