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CVE-2023-53358

ksmbd: fix racy issue under cocurrent smb2 tree disconnect

CVSS 7 HIGHEPSS 0.2%CWE-416
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.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/30210947a343b6b3ca13adc9bfc88e1543e16dd5https://git.kernel.org/stable/c/39366b47a59d46af15ac57beb0996268bf911f6ahttps://git.kernel.org/stable/c/b36295c17fb97424406f0c3ab321b1ccaabb9be8https://git.kernel.org/stable/c/bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6https://git.kernel.org/stable/c/dc1c17716c099c90948ebb83e2170dd75a3be6b6