CVE-2023-53297 — 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 l2cap_disconnect_rsp conn->chan_lock isn't acquired before l2…
Published: 2025-09-16 · CVSS: 8.8 · CVSS 3.1
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp conn->chan_lock isn't acquired before l2cap_get_chan_by_scid, if l2cap_get_chan_by_scid returns NULL, then 'bad unlock balance' is triggered.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7