Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: hci_sync: hold conn in hci_connect_acl/le_sync() callbacks
There is theoretical UAF if the conn is freed while the hci_sync task is running.
Hold refcount to avoid that.
Details
- Affected product:
- AlmaLinux 9.2 ESU , Debian 10 ELS , TuxCare 9.6 ESU , TuxCare 9.8 ESU
- Affected packages:
- linux @ 4.19.0 (+3 more)