CVE-2026-53357

CVE-2026-53357 affects the Linux kernel Bluetooth stack. Root cause: a race where a concurrent HCI disconnect can trigger l2cap_conn_del() to free a child socket via l2cap_sock_kill while cleanup_listen() still accesses it, causing a use-after-free (KASAN) in l2cap_sock_cleanup_listen() during cl...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an improper locking sequence in the l2capconndel function, potentially leading to a deadlock...

kernel: use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c

A vulnerability was found in the Linux Kernel in the l2capconndel in net/bluetooth/l2capcore.c function in the Bluetooth component. This issue leads to a use-after-free problem...

Linux Distros Unpatched Vulnerability : CVE-2022-3640

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A vulnerability, which was classified as critical, was found in Linux Kernel. Affected is the function l2capconndel of the file net/bluetooth/l2capcore.c of the...

kernel: use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c

A vulnerability was found in the Linux Kernel in the l2capconndel in net/bluetooth/l2capcore.c function in the Bluetooth component. This issue leads to a use-after-free problem...

kernel: use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c

A vulnerability was found in the Linux Kernel in the l2capconndel in net/bluetooth/l2capcore.c function in the Bluetooth component. This issue leads to a use-after-free problem...

kernel: use after free flaw in l2cap_conn_del in net/bluetooth/l2cap_core.c

A vulnerability was found in the Linux Kernel in the l2capconndel in net/bluetooth/l2capcore.c function in the Bluetooth component. This issue leads to a use-after-free problem...