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...

Linux Distros Unpatched Vulnerability : CVE-2026-43062

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 type confusion in l2capecredreconfrsp l2capecredreconfrsp casts the incoming data to struct l2capecredconnrsp the ECRED connection respons...

CVE-2026-31393

CVE-2026-31393 affects the Linux kernel Bluetooth L2CAP code. The vulnerability arises in l2cap_information_rsp() where the code checks the fixed L2CAP_INFO_RSP header length but may read rsp->data without verifying payload presence, allowing a truncatd RSP with result==L2CAP_IR_SUCCESS to tri...

kernel: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2capdisconnectrsp conn-chanlock isn't acquired before l2capgetchanbyscid, if l2capgetchanbyscid returns NULL, then 'bad unlock balance' is triggered...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: L2CAP: Fixed a slab-use-after-free error in l2capsendcmd. After the hci sync command releases the l2capconn, the hci receive data work queue references the released l2capconn when sending data to the upper layer...