In the Linux kernel, the following vulnerability has been resolved:

ksmbd: run set info with opener credentials

SMB2 SET_INFO handlers call path-based VFS helpers after checking the
access mask granted to the SMB handle. Those helpers perform their owner,
inode permission and LSM checks using the current ksmbd worker credentials.

Run the complete SET_INFO dispatch with the credentials captured when the
handle was opened. This also removes the separate security information
credential setup and keeps all SET_INFO classes under one credential scope.

Direct override_creds() is used because it can nest with the request
credential overrides already used by rename and link helpers.

https://git.kernel.org/stable/c/0ce682867fd506f61f40c76bde7e4205bde34e87

https://git.kernel.org/stable/c/20ee516a62989a8d505ee432f9e59525ea23984e

https://git.kernel.org/stable/c/5cbabf3a71575cd31bc7785d92d4ab42338a654b

https://git.kernel.org/stable/c/8cc9ec711f5255167247a9ab6a7179b787426ed7

https://git.kernel.org/stable/c/b35afd5cf8fab236ef21117e42ee45691d4ffa7b

https://git.kernel.org/stable/c/b383bcad3d2fe634b26efbce53e22bbb5753a520

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