CVE-2025-39942
Medium
Elevated severity or exploit probability.
CVSS base
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
0.3%
21.0th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2025-10-04 · modified 2026-07-30
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2025-10-04 — Published (NVD)
- 2026-07-30 — Last modified (NVD)
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size This is inspired by the check for data_offset + data_length.
Affected
References
- https://git.kernel.org/stable/c/196a3a7676d726ee67621ea2bf3b7815ac2685b4
- https://git.kernel.org/stable/c/9644798294c7287e65a7b26e35aa6d2ce3345bcc
- https://git.kernel.org/stable/c/c64b915bb3d9339adcae5db4be2c35ffbef5e615
- https://git.kernel.org/stable/c/d3cb3f209d35c44b7ee74f77ed27ebb28995b9ce
- https://git.kernel.org/stable/c/e1868ba37fd27c6a68e31565402b154beaa65df0