[SRU][J][PATCH 0/1] CVE-2024-26822

[Massimiliano Pellizzer]

[Impact]

smb: client: set correct id, uid and cruid for multiuser automounts

When uid, gid and cruid are not specified, we need to dynamically
set them into the filesystem context used for automounting otherwise
they'll end up reusing the values from the parent mount.

[Fix]

Noble:	Fixed
Jammy:	Backported from linux-6.6.y
Focal:	Not affected
Bionic:	Not affected
Xenial:	Not affected

[Test Case]

Compile tested only.

[Where problems could occur]

The fix affects the CIFS/SMB subsystem. An issue with this fix may lead
to kernel crashes or system instability during operation involving
multiuser automounts. This may impact file access and sharing over SMB
network shares.

Paulo Alcantara (1):
  smb: client: set correct id, uid and cruid for multiuser automounts

 fs/cifs/cifs_dfs_ref.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

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2.43.0