VDB-316181 · CVE-2025-7029 · EUVD-2025-21142

GIGABYTE UEFI-OverClockSmiHandler 1.0.0 Software SMI SwSmiInputValue untrusted pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in GIGABYTE UEFI-OverClockSmiHandler 1.0.0. It has been classified as critical. This affects the function SwSmiInputValue of the component Software SMI Handler. The manipulation leads to untrusted pointer dereference. This vulnerability is documented as CVE-2025-7029. The attack needs to be performed locally. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in GIGABYTE UEFI-OverClockSmiHandler 1.0.0. This issue affects the function SwSmiInputValue of the component Software SMI Handler. The manipulation with an unknown input leads to a untrusted pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-822. The product obtains a value from an untrusted source, converts this value to a pointer, and dereferences the resulting pointer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability in the Software SMI handler (SwSmiInputValue 0xB2) allows a local attacker to control the RBX register, which is used to derive pointers (OcHeader, OcData) passed into power and thermal configuration logic. These buffers are not validated before performing multiple structured memory writes based on OcSetup NVRAM values, enabling arbitrary SMRAM corruption and potential SMM privilege escalation.

The advisory is shared at gigabyte.com. The identification of this vulnerability is CVE-2025-7029 since 07/02/2025. The exploitation is known to be easy. An attack has to be approached locally. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/12/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-21142). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

GIGABYTE

Name

UEFI-OverClockSmiHandler

Version

1.0.0

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.8
VulDB Temp Score: 7.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Untrusted pointer dereference
CWE: CWE-822
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/02/2025 CVE reserved
07/11/2025 +9 days Advisory disclosed
07/11/2025 +0 days VulDB entry created
07/12/2025 +1 days VulDB entry last update

Sourcesinfo

Advisory: gigabyte.com
Status: Not defined

CVE: CVE-2025-7029 (🔒)
GCVE (CVE): GCVE-0-2025-7029
GCVE (VulDB): GCVE-100-316181
EUVD: 🔒

Entryinfo

Created: 07/11/2025 20:35
Updated: 07/12/2025 09:09
Changes: 07/11/2025 20:35 (53), 07/12/2025 09:09 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.