CVE-2023-53358

High

Open

TLP:CLEAR

ksmbd: fix racy issue under cocurrent smb2 tree disconnect

NVD CVE.org

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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.

Details

CVSS Score: 8.8
EPSS Score ⓘ: 0.35%

28th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Confidence: 90%
Published: Sep 17, 2025
Last Modified: Aug 5, 2026

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