PT-2026-64625

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the Bluetooth ISO implementation. The function iso conn big sync drops the socket lock to call hci get route and subsequently re-acquires it. However...

UBUNTU-CVE-2026-53251

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix not releasing hdev reference on isoconnbigsync hcigetroute returns a reference-counted hcidev pointer via hcidevhold. The function exits normally or with an error without ever releasing it...

Linux kernel Bluetooth Heap Buffer Overflow DoS

The vulnerability of the isoconnbigsync function in the net/bluetooth/iso.c module of the Linux kernel’s Bluetooth subsystem is related to improper locking of resources. Exploiting this vulnerability could allow an attacker to cause a service failure...