{"id":"CVE-2025-14302","title":"Certain motherboard models developed by GIGABYTE has a Protection Mechanism Failure vulnerability","summary":"Certain motherboard models developed by GIGABYTE has a Protection Mechanism Failure vulnerability. Because IOMMU was not properly enabled, unauthenticated physical attackers can use a DMA-capable PCIe device to read and write arbitrary p…","severity":"medium","cvss":6.8,"cvssVector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-693"],"published":"2025-12-17","updated":"2026-09-30","sourceUpdated":"2026-09-30T20:10:00.247","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-14302","references":[{"url":"https://www.gigabyte.com/Support/Security?type=1","label":"twcert@cert.org.tw"},{"url":"https://www.twcert.org.tw/en/cp-139-10575-e4f41-2.html","label":"twcert@cert.org.tw"},{"url":"https://www.twcert.org.tw/tw/cp-132-10574-ddf09-1.html","label":"twcert@cert.org.tw"}],"tags":["nvd"],"epss":0.00346,"epssPercentile":0.25739,"ingestedAt":"2026-09-30T20:23:19.455Z","slug":"CVE-2025-14302","body":"## Overview\n\nCertain motherboard models developed by GIGABYTE has a Protection Mechanism Failure vulnerability. Because IOMMU was not properly enabled, unauthenticated physical attackers can use a DMA-capable PCIe device to read and write arbitrary physical memory before the OS kernel and its security features are loaded.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":37.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}