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LIN1021-6071 : Security Advisory - linux - CVE-2023-38431

Created: Jul 20, 2023    Updated: Jul 27, 2023
Resolved Date: Jul 21, 2023
Found In Version: 10.21.20.1
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

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.

CREATE(Triage):(User=admin) CVE-2023-38431 (https://nvd.nist.gov/vuln/detail/CVE-2023-38431)
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