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Oracle Linux: How to Mitigate "SMB Signing Not Required" Vulnerability (Doc ID 2898828.1)

Last updated on FEBRUARY 26, 2024

Applies to:

Linux OS - Version Oracle Linux 7.0 and later
Linux x86-64


Nessus or a third party tool reports a vulnerability which goes by the name "SMB Signing not required" with medium severity on Oracle Linux servers running Samba service. This is reported to affect port 445/tcp where an unauthenticated remote attacker can exploit this to conduct man-in-the-middle attacks against the SMB server.



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