CVE-2025-14302: gigabyte amd 600 chipset motherboard Protection Mechanism Failure
Vulnerability summary
CVE-2025-14302 is a high (CVSS 7.0) Protection Mechanism Failure vulnerability in gigabyte amd 600 chipset motherboard. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 26.8% of scored vulnerabilities.
Timeline
- 17-12-2025PublishedVulnerability first disclosed.
- 17-12-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 2 sources · 2 versions- NVDNIST7.0HighCVSS: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
- NVDNIST6.8MediumCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
0.00 pp
From 0.35% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Gigabyte6 products
- amd 600 chipset motherboardAll versions (No fix recorded)
- amd 800 chipset motherboardAll versions (No fix recorded)
- amd trx50 chipset motherboardAll versions (No fix recorded)
- intel 600 chipset motherboardAll versions (No fix recorded)
- intel 700 chipset motherboardAll versions (No fix recorded)
1 vendor · 6 products
References
3 links- www.twcert.org.tw/tw/cp-132-10574-ddf09-1.htmlThird Party Advisory
- www.twcert.org.tw/en/cp-139-10575-e4f41-2.htmlThird Party Advisory
- www.gigabyte.com/Support/Security?type=1Vendor Advisory