CVE-2022-49202 Information

Description

In the Linux kernel the following vulnerability has been resolved:

Bluetooth: hci_uart: add missing NULL check in h5_enqueue

Syzbot hit general protection fault in __pm_runtime_resume(). The problem was in missing NULL check.

hu->serdev can be NULL and we should not blindly pass &serdev->dev somewhere since it will cause GPF.

Reference

https://git.kernel.org/stable/c/32cb08e958696908a9aad5e49a78d74f7e32fffb https://git.kernel.org/stable/c/7235485433d290367d60ae22fcdfc565e61d42ab https://git.kernel.org/stable/c/8a3896c30f542439d36303183dc96f65df8cc528 https://git.kernel.org/stable/c/e6b6c904c0f88588b6a3ace20e4c0d61eab124f8