CVE-2025-39943In 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_dire…
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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.
- CVSS
- 7.1 HIGH (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- Weakness (CWE)
- CWE-125
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Oct 19, 2026
- First seen by InfoSec Signals
- Oct 19, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 5.15.1 before 5.15.194; from 5.16 before 6.1.154; from 6.2 before 6.6.108; from 6.7 before 6.12.49; from 6.13 before 6.16.9; 5.15; 5.15; 6.17; and 5 more ranges | NVD |
References
- https://git.kernel.org/stable/c/5282491fc49d5614ac6ddcd012e5743eecb6a67cpatch
- https://git.kernel.org/stable/c/529b121b00a6ee3c88fb3c01b443b2b81f686d48patch
- https://git.kernel.org/stable/c/773fddf976d282ef059c36c575ddb81567acd6bcpatch
- https://git.kernel.org/stable/c/8be498fcbd5b07272f560b45981d4b9e5a2ad885patch
- https://git.kernel.org/stable/c/bdaab5c6538e250a9654127e688ecbbeb6f771d5patch
- https://git.kernel.org/stable/c/eb0378dde086363046ed3d7db7f126fc3f76fd70patch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.