CVE-2025-68786

Jan. 14, 2026, 4:26 p.m.

None
No Score

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: skip lock-range check on equal size to avoid size==0 underflow When size equals the current i_size (including 0), the code used to call check_lock_range(filp, i_size, size - 1, WRITE), which computes `size - 1` and can underflow for size==0. Skip the equal case.

Product(s) Impacted

Vendor Product Versions
Linux
  • Kernel
  • *

Weaknesses

Common security weaknesses mapped to this vulnerability.

Timeline

Published: Jan. 13, 2026, 4:15 p.m.
Last Modified: Jan. 14, 2026, 4:26 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.