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CVE-2025-38562

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CVE-2025-38562

Published: Aug 19, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < 922f85e6e88fdea723a26854c3a6dcb4beb8d0b9
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < 96a82e19434a2522525baab59c33332658bc7653
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < d79c8bebaa622ee223128be7c66d8aaeeb634a57
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < 2a30ed6428ce83afedca1a6c5c5c4247bcf12d0e
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < 015ef163d65496ae3ba6192c96140a22743f0353

+2 more versions

Linux

Linux

affected
5.15
unaffected
0 - < 5.15
unaffected
5.15.203 - <= 5.15.*
unaffected
6.1.148 - <= 6.1.*
unaffected
6.6.102 - <= 6.6.*

+4 more versions

References

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