CVE-2026-64405

A flaw was found in the Linux kernel's Bluetooth subsystem, specifically within the hciconn module. This vulnerability occurs when the hciabortconn function attempts to process a pending connection while a critical pointer is unexpectedly null. This can lead to a null pointer dereference, causing...

CVE-2026-64404

A flaw was found in the Linux kernel's Bluetooth subsystem. A race condition exists in the isoconnbigsync function where a socket lock is temporarily released and re-acquired. During this window, the Bluetooth connection can be unexpectedly terminated. If the connection is torn down, the subseque...

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...

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...

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

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

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...

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...

NewStart CGSL MAIN 6.06 : kernel Multiple Vulnerabilities (NS-SA-2026-0063)

The remote NewStart CGSL host, running version MAIN 6.06, has kernel packages installed that are affected by multiple vulnerabilities: - BlueZ HID over GATT Profile Improper Access Control Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitra...

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,...

The vulnerability of the btusb_mtk_claim_iso_intf() function in the drivers/bluetooth/btusb.c module of the Linux Bluetooth kernel driver allows a hacker to cause a service failure.

The vulnerability of the btusbmtkclaimisointf function in the drivers/bluetooth/btusb.c module of the Linux Bluetooth device driver relates to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...

PT-2026-65735

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2cap sock new connection cb l2cap sock new connection cb returned l2cap pisk-chan after release sockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable...

Linux Distros Unpatched Vulnerability : CVE-2026-64557

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock ...

SUSE CVE-2026-64539

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: eir: Fix stack OOB write when prepending the Flags AD eircreateadvdata builds the advertising data into a fixed-size buffer "size", 31 for the legacy path. It may prepend a 3-byte "Flags" AD structure LEADNOBREDR on an...