VULNERABILITY INTELLIGENCE

CVE-2019-7630

CVSS score7.2 HIGH

EPSS probability3.08%

CISA KEVNot currently listed

Published2020-03-25

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

CWE-665: Improper Initialization

Primary references

cve@mitre.org — Exploit, Third Party Advisory
cve@mitre.org — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory