{"id":"CVE-2025-14302","aliases":["EUVD-2025-203865","GHSA-r767-8x6q-rpfx"],"status":"published","title":"GIGABYTE｜Motherboard - Protection Mechanism Failure","description":"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 physical memory before the OS kernel and its security features are loaded.","severity":{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00349,"percentile":0.28939,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-693"],"published":"2025-12-17T03:07:21Z","modified":"2026-10-07T11:10:00Z","products":[{"vendor":"asrockind","product":"intel 600 chipset motherboard"},{"vendor":"asrockind","product":"intel 700 chipset motherboard"},{"vendor":"asrockind","product":"intel 800 chipset motherboard"},{"vendor":"gigabyte","product":"amd 600 chipset motherboard"},{"vendor":"gigabyte","product":"amd 800 chipset motherboard"},{"vendor":"gigabyte","product":"amd trx50 chipset motherboard"},{"vendor":"gigabyte","product":"intel 600 chipset motherboard"},{"vendor":"gigabyte","product":"intel 700 chipset motherboard"},{"vendor":"gigabyte","product":"intel 800 chipset motherboard"}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-10574-ddf09-1.html","tags":["third-party-advisory"]},{"url":"https://www.twcert.org.tw/en/cp-139-10575-e4f41-2.html","tags":["third-party-advisory"]},{"url":"https://www.gigabyte.com/Support/Security?type=1","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-14302"},{"url":"https://github.com/advisories/GHSA-r767-8x6q-rpfx"}],"sources":{"cve":[{"id":"CVE-2025-14302","title":"GIGABYTE｜Motherboard - Protection Mechanism Failure","description":"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 physical memory before the OS kernel and its security features are loaded.","status":"published","published":"2025-12-17T03:07:21.976Z","modified":"2025-12-17T18:49:12.978Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T14:32:28.943062Z"}],"euvd":[{"id":"EUVD-2025-203865","description":"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 physical memory before the OS kernel and its security features are loaded.","status":"published","published":"2025-12-17T03:07:21Z","modified":"2025-12-17T18:49:12Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:49:03.481924Z"}],"ghsa":[{"id":"GHSA-r767-8x6q-rpfx","title":"Certain motherboard models developed by GIGABYTE has a Protection Mechanism Failure vulnerability...","description":"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 physical memory before the OS kernel and its security features are loaded.","status":"published","published":"2025-12-17T03:30:13Z","modified":"2025-12-17T03:30:19Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T15:05:14.033595Z"}],"nvd":[{"id":"CVE-2025-14302","description":"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 physical memory before the OS kernel and its security features are loaded.","status":"published","published":"2025-12-17T03:15:57.443Z","modified":"2026-10-07T11:10:00.153Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-693"],"updated_at":"2026-11-02T14:11:51.309584Z"}]}}