CVE-2026-64557

A flaw was found in the Linux kernel's Bluetooth L2CAP component. A race condition exists during the handling of new Bluetooth connections, where a newly created socket can be prematurely freed by another process before a callback function completes its operation. This use-after-free vulnerabilit...

AZL-94143 CVE-2026-64557 affecting package kernel for versions less than 6.6.145.2-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable via the...

CVE-2026-64557

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable via the...

CVE-2026-64557

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable via the...

UBUNTU-CVE-2026-64557

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable via the...

CVE-2026-64403

A flaw was found in the Bluetooth L2CAP Logical Link Control and Adaptation Protocol component of the Linux kernel. The l2capgetconfopt function, responsible for processing configuration options, does not properly validate the length of an option before attempting to read its value. This allows a...

CVE-2026-64409

A flaw was found in the Linux kernel's Bluetooth MTK SDIO btmtksdio driver. An incorrect timeout check in the btmtksdiotxrxwork function can lead to an infinite loop. This prevents the loop from terminating and releasing the SDIO host, resulting in a denial of service DoS where the system resourc...

CVE-2026-64557 Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_new_connection_cb()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable via the...

CVE-2026-64557 Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_new_connection_cb()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable via the...

CVE-2026-64557

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable via the...

EUVD-2026-50202

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable via the...

CVE-2026-64557

Summary: CVE-2026-64557 affects the Linux kernel Bluetooth L2CAP implementation, causing a use-after-free during new Bluetooth connections. The bug occurs when l2cap_sock_new_connection_cb() returns the new channel after release_sock(parent); once the parent lock is dropped, the enqueued child so...

CVE-2026-64557 Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_new_connection_cb()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable via the...

(Pwn2Own) Sony XAV-9500ES prh_l2_decode_packet Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of Sony XAV-9500ES 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...

(Pwn2Own) Sony XAV-9500ES AVRCP_Br_Response_Parser Heap-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sony XAV-9500ES 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 exis...

(Pwn2Own) Sony XAV-9500ES l2_reassemble_sdu Heap-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sony XAV-9500ES 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 exis...

NewStart CGSL MAIN 6.06 : bluez Vulnerability (NS-SA-2026-0059)

The remote NewStart CGSL host, running version MAIN 6.06, has bluez packages installed that are affected by a vulnerability: - Bluetooth HID Hosts in BlueZ may permit an unauthenticated Peripheral role HID Device to initiate and establish an encrypted connection, and accept HID keyboard reports,...

MiracleLinux 8 : kernel-4.18.0-553.146.1.el8_10 (AXSA:2026-1384:55)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1384:55 advisory. kernel: RDMA/mana: Remove user triggerable WARNON in manaibcreateqprss CVE-2026-46117 kernel: Bluetooth: l2cap: Add missing chan lock in...

CVE-2026-64557: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable via the...

PT-2026-65735

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the Bluetooth L2CAP implementation. The function l2cap sock new connection cb returns a channel after release sockparent is called. Because the parent lo...