What’s Vulnerable › Vulnerabilities

CVE-2019-7630

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-03-25 · updated 2026-06-17
• Weakness: CWE-665

Description

An issue was discovered in gdrv.sys in Gigabyte APP Center before 19.0227.1. The vulnerable driver exposes a wrmsr instruction via IOCTL 0xC3502580 and does not properly filter the target Model Specific Register (MSR). Allowing arbitrary MSR writes can lead to Ring-0 code execution and escalation of privileges.

Affected products

• Gigabyte App Center: before 19.0227.1 — fixed in 19.0227.1

How to fix

Upgrade to a fixed version: Gigabyte App Center 19.0227.1. Check the vendor advisory for mitigations.

References

• https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2019-0003/FEYE-2019-0003.md
• https://www.gigabyte.com/Support/Security/1801
• https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2019-0003/FEYE-2019-0003.md
• https://www.gigabyte.com/Support/Security/1801

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