NetSight
high8.8

CVE-2023-53297

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 ac…

Impact

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.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
before 4.14.316
from 4.15 before 4.19.284
from 4.20 before 5.4.244
from 5.5 before 5.10.181
from 5.11 before 5.15.113
from 5.16 before 6.1.30

References