CVE-2023-52442

5.5 MEDIUM
Published: February 21, 2024 Modified: October 01, 2025

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate session id and tree id in compound request `smb2_get_msg()` in smb2_get_ksmbd_tcon() and smb2_check_user_session() will always return the first request smb2 header in a compound request. if `SMB2_TREE_CONNECT_HE` is the first command in compound request, will return 0, i.e. The tree id check is skipped. This patch use ksmbd_req_buf_next() to get current command in compound.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://git.kernel.org/stable/c/017d85c94f02090a87f4a473dbe0d6ee0da72693
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
https://git.kernel.org/stable/c/3df0411e132ee74a87aa13142dfd2b190275332e
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
https://git.kernel.org/stable/c/4c2b350b2e269e3fd17bbfa42de1b42775b777ac
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
https://git.kernel.org/stable/c/becb5191d1d5fdfca0198a2e37457bbbf4fe266f
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Patch
https://git.kernel.org/stable/c/017d85c94f02090a87f4a473dbe0d6ee0da72693
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://git.kernel.org/stable/c/3df0411e132ee74a87aa13142dfd2b190275332e
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://git.kernel.org/stable/c/4c2b350b2e269e3fd17bbfa42de1b42775b777ac
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
https://git.kernel.org/stable/c/becb5191d1d5fdfca0198a2e37457bbbf4fe266f
Source: af854a3a-2127-422b-91ae-364da2661108
Patch

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.5 / 10.0
EPSS (Exploit Probability)
0.3%
56th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

linux