CVE-2025-38562

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

VendorProductVersions
LinuxLinux>= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 922f85e6e88fdea723a26854c3a6dcb4beb8d0b9; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 96a82e19434a2522525baab59c33332658bc7653; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < d79c8bebaa622ee223128be7c66d8aaeeb634a57; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 2a30ed6428ce83afedca1a6c5c5c4247bcf12d0e; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 015ef163d65496ae3ba6192c96140a22743f0353; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 9c2dbbc959e1fcc6f603a1a843e9cf743ba383bb; >= 0626e6641f6b467447c81dd7678a69c66f7746cf, < 9b493ab6f35178afd8d619800df9071992f715de
LinuxLinux5.15

References

Timeline

Published
Aug 19, 2025
Last modified
Jun 17, 2026
NVD status
Modified

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