Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate session id and tree id in the compound request This patch validate session id and tree id in compound request. If first operation in the compound is SMB2 ECHO request, ksmbd bypass session and tree validation. So work->sess and work->tcon could be NULL. If secound request in the compound access work->sess or tcon, It cause NULL pointer dereferecing error.

INFO

Published Date :

2025-08-16T13:27:57.332Z

Last Modified :

2025-08-19T05:47:13.303Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2023-3866 vulnerability.

Vendors Products
Linux
  • Linux Kernel
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2023-3866.

URL Resource
https://git.kernel.org/stable/c/5005bcb4219156f1bf7587b185080ec1da08518e cve-icon cve-icon
https://git.kernel.org/stable/c/854156d12caa9d36de1cf5f084591c7686cc8a9d cve-icon cve-icon
https://git.kernel.org/stable/c/d1066c1b3663401cd23c0d6e60cdae750ce00c0f cve-icon cve-icon
https://git.kernel.org/stable/c/eb947403518ea3d93f6d89264bb1f5416bb0c7d0 cve-icon cve-icon
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