Vulnerability in Linux

[ Description ]Official description

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Keep the domain reference while processing hotplug We process hotplug events in a workqueue that may run after the domain has been removed by tb_domain_remove(). For example if user unloads the driver while at the same time plugging a device router we may have scheduled tb_handle_hotplug() to run. Avoid possible UAF in this case by taking the domain reference before scheduling the hotplug handler in tb_queue_hotplug().

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• git.kernel.org/stable/c/04df2985159e381c88a923fae1bec2f8d0272412
• git.kernel.org/stable/c/06b2e894e640f6a3dbeb536a2d26d72426b26a46
• git.kernel.org/stable/c/0a87af3b1e3aa2e09d160848daf0c39e765b73de
• git.kernel.org/stable/c/138ec65b2c761f065b19d115aed2b8246fc272f5
• git.kernel.org/stable/c/1d991f749a8255ee2ecc6307e2f27354ab631827
• git.kernel.org/stable/c/b61a4ae2ec6a0d363615d01106e0a2d284133a38
• git.kernel.org/stable/c/e8656465d08ed832e120c9cca4a6d0c8ccb45698