Bug 2396160 (CVE-2023-53358) - CVE-2023-53358 kernel: ksmbd: fix racy issue under cocurrent smb2 tree disconnect
Summary: CVE-2023-53358 kernel: ksmbd: fix racy issue under cocurrent smb2 tree discon...
Keywords:
Status: NEW
Alias: CVE-2023-53358
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-09-17 15:04 UTC by OSIDB Bzimport
Modified: 2025-09-17 17:13 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2025-09-17 15:04:54 UTC 
In the Linux kernel, the following vulnerability has been resolved:

ksmbd: fix racy issue under cocurrent smb2 tree disconnect

There is UAF issue under cocurrent smb2 tree disconnect.
This patch introduce TREE_CONN_EXPIRE flags for tcon to avoid cocurrent
access.
Comment 1 Jon Moroney 2025-09-17 17:11:47 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025091721-CVE-2023-53358-29d3@gregkh/T
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