[SRU][F][PATCH 0/1] CVE-2023-52741

[Massimiliano Pellizzer]

https://ubuntu.com/security/CVE-2023-52741

[ Impact ]

cifs: Fix use-after-free in rdata->read_into_pages()

When the network status is unstable, use-after-free may occur when
read data from the server.

Fix this by adjusts the order of condition judgment in the return
statement of uncache_fill_pages().

[ Fix ]

Oracular: not affected
Noble: not affected
Jammy: fixed
Focal: cherry picked from mainline

[ Test Plan ]

Compile tested only.

[ Where Problems Could Occur ]

A regression here is unlikely due to the very limited scope
of the patch.