CVE-2025-38562 Information

Aug 20, 2025 cve

Description

In the Linux kernel the following vulnerability has been resolved:

ksmbd: fix null pointer dereference error in generate_encryptionkey

If client send two session setups with krb5 authenticate to ksmbd null pointer dereference error in generate_encryptionkey could happen. sess->Preauth_HashValue is set to NULL if session is valid. So this patch skip generate encryption key if session is valid.

Reference

https://git.kernel.org/stable/c/015ef163d65496ae3ba6192c96140a22743f0353 https://git.kernel.org/stable/c/2a30ed6428ce83afedca1a6c5c5c4247bcf12d0e https://git.kernel.org/stable/c/96a82e19434a2522525baab59c33332658bc7653 https://git.kernel.org/stable/c/9b493ab6f35178afd8d619800df9071992f715de https://git.kernel.org/stable/c/9c2dbbc959e1fcc6f603a1a843e9cf743ba383bb https://git.kernel.org/stable/c/d79c8bebaa622ee223128be7c66d8aaeeb634a57

CNNVD-202508-2127 (Published: 2025-08-19)

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