VDB
DEBIAN-CVE-2025-68786
DEBIAN-CVE-2025-68786
PUBLISHED
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.
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | linux | 6.12.38-1, 6.12.41-1, 6.12.43-1 |
| Debian:11 | linux-6.1 | 6.1.106-3~deb11u2, 6.1.106-3~deb11u3, 6.1.112-1~deb11u1 |
| Debian:12 | linux | 6.1.128-1, 6.1.129-1, 6.1.133-1 |
| Debian:14 | linux | 6.18, *, 6.12.38-1 |
Timeline
- Jan 13, 2026 CVE Published
- Apr 28, 2026 CVE Updated