In the Linux kernel, the following vulnerability has been resolved:
media: v4l2-async: Fix error handling on steps after finding a match
Once an async connection is found to be matching with an fwnode, a sub-device may be registered (in case it wasn't already), its bound operation is called, ancillary links are created, the async connection is added to the sub-device's list of connections and removed from the global waiting connection list. Further on, the sub-device's possible own notifier is searched for possible additional matches.
Fix these specific issues:
- If v4l2_async_match_notify() failed before the sub-notifier handling,
- The async connection's sd field was only set after creating ancillary