CVE-2018-19320 — GIGABYTE Multiple Products Unspecified Vulnerability

The GDrv low-level driver in GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS ENGINE before 1.57, XTREME GAMING ENGINE before 1.26, and OC GURU II v2.08 exposes ring0 memcpy-like functionality that could allow a local attacker to take complete control of the affected syst

01What is this vulnerability?

The GDrv low-level driver in GIGABYTE APP Center v1.05.21 and earlier, AORUS GRAPHICS ENGINE before 1.57, XTREME GAMING ENGINE before 1.26, and OC GURU II v2.08 exposes ring0 memcpy-like functionality that could allow a local attacker to take complete control of the affected system.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-10-24. Ransomware use: Known.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-12-21T23:00:00.000Z
• Last modified: 2025-10-21T23:45:45.601Z
• Added to CISA KEV: 2022-10-24
• BOD 22-01 due: 2022-11-14

09References

• seclists.org — http://seclists.org/fulldisclosure/2018/Dec/39
• www.secureauth.com — https://www.secureauth.com/labs/advisories/gigabyte-drivers-elevation-privilege-…
• www.securityfocus.com — http://www.securityfocus.com/bid/106252
• www.gigabyte.com — https://www.gigabyte.com/tw/Support/Utility/Graphics-Card
• www.gigabyte.com — https://www.gigabyte.com/Support/Security/1801