CVE-2025-38562
published 2025-08-19CVE-2025-38562: In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference error in generate_encryptionkey If client send two…
medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
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.
Affected
32 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | debian_linux | — | — |
| debian | linux | < linux 6.1.148-1 (bookworm) | linux 6.1.148-1 (bookworm) |
| debian | linux-6.1 | < linux 6.1.148-1 (bookworm) | linux 6.1.148-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= 0626e6641f6b467447c81dd7678a69c66f7746cf < 922f85e6e88fdea723a26854c3a6dcb4beb8d0b9 | 922f85e6e88fdea723a26854c3a6dcb4beb8d0b9 |
| linux | linux | >= 0626e6641f6b467447c81dd7678a69c66f7746cf < 96a82e19434a2522525baab59c33332658bc7653 | 96a82e19434a2522525baab59c33332658bc7653 |
| linux | linux | >= 0626e6641f6b467447c81dd7678a69c66f7746cf < d79c8bebaa622ee223128be7c66d8aaeeb634a57 | d79c8bebaa622ee223128be7c66d8aaeeb634a57 |
| linux | linux | >= 0626e6641f6b467447c81dd7678a69c66f7746cf < 2a30ed6428ce83afedca1a6c5c5c4247bcf12d0e | 2a30ed6428ce83afedca1a6c5c5c4247bcf12d0e |
| linux | linux | >= 0626e6641f6b467447c81dd7678a69c66f7746cf < 015ef163d65496ae3ba6192c96140a22743f0353 | 015ef163d65496ae3ba6192c96140a22743f0353 |
| linux | linux | >= 0626e6641f6b467447c81dd7678a69c66f7746cf < 9c2dbbc959e1fcc6f603a1a843e9cf743ba383bb | 9c2dbbc959e1fcc6f603a1a843e9cf743ba383bb |
| linux | linux | >= 0626e6641f6b467447c81dd7678a69c66f7746cf < 9b493ab6f35178afd8d619800df9071992f715de | 9b493ab6f35178afd8d619800df9071992f715de |
| linux | linux_kernel | >= 0 < 6.1.148-1 | 6.1.148-1 |
| linux | linux_kernel | >= 0 < 6.12.43-1 | 6.12.43-1 |
| linux | linux_kernel | >= 0 < 6.16.3-1 | 6.16.3-1 |
| linux | linux_kernel | >= 0 < 6.8.0-100.100 | 6.8.0-100.100 |
| linux | linux_kernel | >= 5.15 < 6.1.148 | 6.1.148 |
| linux | linux_kernel | >= 6.13 < 6.15.10 | 6.15.10 |
| linux | linux_kernel | >= 6.16 < 6.16.1 | 6.16.1 |
| linux | linux_kernel | >= 6.2 < 6.6.102 | 6.6.102 |
| linux | linux_kernel | >= 6.7 < 6.12.42 | 6.12.42 |
| msrc | azl3_kernel_6.6.96.2-1_on_azure_linux_3.0 | — | — |
| msrc | azl3_kernel_6.6.96.2-2_on_azure_linux_3.0 | — | — |
| msrc | cbl2_kernel_5.15.186.1-1_on_cbl_mariner_2.0 | — | — |
| ubuntu | linux-aws | — | — |
| ubuntu | linux-aws-6.8 | — | — |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM