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CVE-2023-38431

nvd nist
Published: Jul 18, 2023Modified: Jun 17, 2026

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9.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Exploitability: 3.9 / Impact: 5.2
Source: NVD

Description

An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/connection.c in ksmbd does not validate the relationship between the NetBIOS header's length field and the SMB header sizes, via pdu_size in ksmbd_conn_handler_loop, leading to an out-of-bounds read.

Affected (8)

Linux
1 product
Linux Kernel
Netapp
5 products
H300s
H410s
H500s
H700s
Solidfire & Hci Management Node
Configuration A
3 vulnerable
Vulnerable SoftwareAffected Versions
Linux
Linux Kernel
From 5.15 to 5.15.145
Linux Kernel
From 5.16 to 6.1.34
Linux Kernel
From 6.2 to 6.3.8
Configuration B
5 vulnerable
Vulnerable SoftwareAffected Versions
H300s
All versions
H410s
All versions
H500s
All versions
H700s
All versions
Solidfire & Hci Management Node
All versions

Related CWEs

CWE-125
Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.

References (6)

Source: cve@mitre.org
Release Notes
Source: cve@mitre.org
Patch
Source: cve@mitre.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release Notes
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.