CVE-2025-39942
High
ksmbd: smbdirect: verify remaining_data_length respects max_fragmented_recv_size
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.
Exploit probability
0.3%
Published
October 4, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2025-39942
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/39xxx/CVE-2025-39942.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-39942