CVE-2026-74540

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix UAF in l2capleconnectrsp l2capleconnectrsp obtains a channel via l2capgetchanbyident but neither holds a reference nor uses l2capchanholdunlesszero before locking and operating on it. A concurrent l2capchand...

AZL-96479 CVE-2026-74540 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix UAF in l2capleconnectrsp l2capleconnectrsp obtains a channel via l2capgetchanbyident but neither holds a reference nor uses l2capchanholdunlesszero before locking and operating on it. A concurrent l2capchand...

Linux Distros Unpatched Vulnerability : CVE-2026-63948

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 chan ref leak in l2capchantimeout on !conn setchantimer takes a l2capchan reference via l2capchanhold before scheduling the delayed work...

CVE-2026-63948

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix chan ref leak in l2capchantimeout on !conn setchantimer takes a l2capchan reference via l2capchanhold before scheduling the delayed work. The normal path in l2capchantimeout drops this reference with...

CVE-2026-63948

The CVE affects the Linux kernel Bluetooth L2CAP stack, where l2cap_chan_timeout() leaks a l2cap_chan reference when chan->conn is NULL because the early return skips l2cap_chan_put() after __set_chan_timer() holds the reference via l2cap_chan_hold(). The fix adds the missing l2cap_chan_put() ...

Linux kernel 安全漏洞

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 that stems from improper channel reference counting in l2capdisconnect, which could lead to reuse after release...

EUVD-2025-12860

Malicious code in bioql PyPI...

CVE-2022-49909 Bluetooth: L2CAP: fix use-after-free in l2cap_conn_del()

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix use-after-free in l2capconndel When l2caprecvframe is invoked to receive data, and the cid is L2CAPCIDA2MP, if the channel does not exist, it will create a channel. However, after a channel is created, the...