CVE-2023-39180 Information

Description

A flaw was found within the handling of SMB2_READ commands in the kernel ksmbd module. The issue results from not releasing memory after its effective lifetime. An attacker can leverage this to create a denial-of-service condition on affected installations of Linux. Authentication is not required to exploit this vulnerability but only systems with ksmbd enabled are vulnerable.

Reference

https://access.redhat.com/security/cve/CVE-2023-39180 https://bugzilla.redhat.com/show_bug.cgi?id=2326531 https://www.zerodayinitiative.com/advisories/ZDI-24-589/