{"id":"CVE-2025-39742","state":"PUBLISHED","title":"RDMA: hfi1: fix possible divide-by-zero in find_hw_thread_mask()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA: hfi1: fix possible divide-by-zero in find_hw_thread_mask()\n\nThe function divides number of online CPUs by num_core_siblings, and\nlater checks the divider by zero. This implies a possibility to get\nand divide-by-zero runtime error. Fix it by moving the check prior to\ndivision. 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