CVE-2025-39943
Critical · CVSS 9.4- CVSS
- 9.4
- nvd
- EPSS
- —
- KEV
- No
- Class
- oss containerizable
- CWE-125
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer If data_offset and data_length of smb_direct_data_transfer struct are invalid, out of bounds issue could happen. This patch validate data_offset and data_length field in recv_done.
Affected packages
| Linux | Kernel | 5.15.0 → 5.15.194 |
| Linux | Kernel | 5.16.0 → 6.1.154 |
| Linux | Kernel | 6.13.0 → 6.16.9 |
| Linux | Kernel | 6.2.0 → 6.6.108 |
| Linux | Kernel | 6.7.0 → 6.12.49 |
References
- https://git.kernel.org/stable/c/5282491fc49d5614ac6ddcd012e5743eecb6a67c
- https://git.kernel.org/stable/c/529b121b00a6ee3c88fb3c01b443b2b81f686d48
- https://git.kernel.org/stable/c/773fddf976d282ef059c36c575ddb81567acd6bc
- https://git.kernel.org/stable/c/8be498fcbd5b07272f560b45981d4b9e5a2ad885
- https://git.kernel.org/stable/c/bdaab5c6538e250a9654127e688ecbbeb6f771d5
- https://git.kernel.org/stable/c/eb0378dde086363046ed3d7db7f126fc3f76fd70
Status: profiled · ingested 2026-07-30T12:00:00.000Z