CVE-2025-39943
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 0.26% probability · 18th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.