Bug 2327186 (CVE-2024-50286)

Summary: CVE-2024-50286 kernel: ksmbd: fix slab-use-after-free in ksmbd_smb2_session_create
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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Bug Depends On: 2327235    
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Description OSIDB Bzimport 2024-11-19 02:02:34 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix slab-use-after-free in ksmbd_smb2_session_create

There is a race condition between ksmbd_smb2_session_create and
ksmbd_expire_session. This patch add missing sessions_table_lock
while adding/deleting session from global session table.
Comment 1 Avinash Hanwate 2024-11-19 05:14:47 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024111948-CVE-2024-50286-85e9@gregkh/T