VDB
DEBIAN-CVE-2025-39742
DEBIAN-CVE-2025-39742
PUBLISHED
CVSS 5.5 MEDIUM
In the Linux kernel, the following vulnerability has been resolved: RDMA: hfi1: fix possible divide-by-zero in find_hw_thread_mask() The function divides number of online CPUs by num_core_siblings, and later checks the divider by zero. This implies a possibility to get and divide-by-zero runtime error. Fix it by moving the check prior to division. This also helps to save one indentation level.
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:13 | linux | 6.12.43-1~bpo12+1, 6.12.41-1, 6.12.38-1 |
| Debian:14 | linux | 6.12.107-1, 6.12.111-1, 6.12.113-1 |
| Debian:12 | linux | 6.1.112-1, 6.1.115-1, 6.1.119-1 |
Timeline
- Sep 11, 2025 CVE Published
- Oct 23, 2026 CVE Updated