CVE-2023-53358

critical

Description

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.

References

https://git.kernel.org/stable/c/dc1c17716c099c90948ebb83e2170dd75a3be6b6

https://git.kernel.org/stable/c/bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6

https://git.kernel.org/stable/c/b36295c17fb97424406f0c3ab321b1ccaabb9be8

https://git.kernel.org/stable/c/39366b47a59d46af15ac57beb0996268bf911f6a

https://git.kernel.org/stable/c/30210947a343b6b3ca13adc9bfc88e1543e16dd5

Details

Source: Mitre, NVD

Published: 2025-09-17

Updated: 2025-09-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical