ZDI-24-589: Linux Kernel ksmbd Read Request Memory Leak Denial-of-Service Vulnerability

First published: Mon Jun 10 2024(Updated: )

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Linux Kernel. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable. The specific flaw exists within the handling of SMB2_READ commands. The issue results from not releasing memory after its effective lifetime. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

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