ZDI-26-684: Linux Kernel KSMBD Query Directory Request Race Condition Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Linux Kernel KSMBD. Authentication is not required to exploit this vulnerability. Furthermore, only systems with KSMBD enabled are vulnerable. The ZDI has assigned a CVSS rating of 9.0. The following CVEs are assigned: CVE-2026-64397.

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CVE v události 1

CVE	hodnocení	KEV	EPSS
CVE-2026-64397	9.8 3.1 · Linux	–	0.00

Hodnocení z katalogů, všechna, se stupnicí CVSS a vydavatelem. Rozpad vektoru je na stránce CVE. Advisory v textu uvádí CVSS 9.0.