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CVE-2025-39943

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CVE-2025-39943

Published: Oct 4, 2025

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer If data_offset and data_length of smb_direct_data_transfer struct are invalid, out of bounds issue could happen. This patch validate data_offset and data_length field in recv_done.

VendorProductVersions

Linux

Linux

affected
2ea086e35c3d726a3bacd0a971c1f02a50e98206 - < 773fddf976d282ef059c36c575ddb81567acd6bc
affected
2ea086e35c3d726a3bacd0a971c1f02a50e98206 - < bdaab5c6538e250a9654127e688ecbbeb6f771d5
affected
2ea086e35c3d726a3bacd0a971c1f02a50e98206 - < eb0378dde086363046ed3d7db7f126fc3f76fd70
affected
2ea086e35c3d726a3bacd0a971c1f02a50e98206 - < 8be498fcbd5b07272f560b45981d4b9e5a2ad885
affected
2ea086e35c3d726a3bacd0a971c1f02a50e98206 - < 529b121b00a6ee3c88fb3c01b443b2b81f686d48

+1 more versions

Linux

Linux

affected
5.15
unaffected
0 - < 5.15
unaffected
5.15.194 - <= 5.15.*
unaffected
6.1.154 - <= 6.1.*
unaffected
6.6.108 - <= 6.6.*

+3 more versions

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