CVE-2023-38431

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CVSS 3.1

9.1 critical

EPSS

1%p65

Published

Jul 18, 2023 (Jul 18, 2023)

Modified

Jun 17, 2026

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.

Vendors: linux netapp
Products: linux kernel, solidfire \& hci management node, h300s, h410s, h500s, h700s
Weakness: CWE-125
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.2%)

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