CVE-2025-39943
- Source
- https://cve.org/CVERecord?id=CVE-2025-39943
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-39943.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-39943
- Downstream
- Published
- 2025-10-04T07:31:05Z
- Modified
- 2026-08-12T03:51:18Z
- Severity
-
- 9.4 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H CVSS Calculator
- Summary
- ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer
- Details
-
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.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39943.json" }- 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
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39943.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-39943
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced2ea086e35c3d726a3bacd0a971c1f02a50e98206Fixed773fddf976d282ef059c36c575ddb81567acd6bcFixedbdaab5c6538e250a9654127e688ecbbeb6f771d5Fixedeb0378dde086363046ed3d7db7f126fc3f76fd70Fixed8be498fcbd5b07272f560b45981d4b9e5a2ad885Fixed529b121b00a6ee3c88fb3c01b443b2b81f686d48Fixed5282491fc49d5614ac6ddcd012e5743eecb6a67c
Linux / Kernel
Package
- Name
- Kernel