CVE-2023-38431
CVSS 3.1 Score 9.1 of 10 (high)
Details
Published Jul 18, 2023
Updated: Jun 18, 2024
CWE ID 125
Summary
CVE-2023-38431 is a vulnerability affecting Linux kernels prior to version 6.3.8. In the implementation of the SMB (Server Message Block) protocol in fs/smb/server/connection.c, the ksmbd component does not properly validate the relationship between the NetBIOS header's length field and SMB header sizes during the pdu_size calculation in ksmbd_conn_handler_loop. This issue results in an out-of-bounds read, potentially leading to unintended system behavior or data leakage.
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Affected Products
- Linux Kernel
Affected Vendors
- LINUX
Advisories, Assessments, and Mitigations
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