Bug 2360294 (CVE-2025-22041)

Summary: CVE-2025-22041 kernel: ksmbd: fix use-after-free in ksmbd_sessions_deregister()
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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Priority: low    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
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Hardware: All   
OS: Linux   
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Description OSIDB Bzimport 2025-04-16 15:06:48 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix use-after-free in ksmbd_sessions_deregister()

In multichannel mode, UAF issue can occur in session_deregister
when the second channel sets up a session through the connection of
the first channel. session that is freed through the global session
table can be accessed again through ->sessions of connection.
Comment 1 Avinash Hanwate 2025-04-17 05:56:53 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025041600-CVE-2025-22041-6dbd@gregkh/T