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CVE-2025-7029

Published Unknown
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Expert Analysis

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CVSS Score

V3.1
0.0
/10
Not Available
Base Score Metrics
Exploitability: N/A Impact: N/A

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

EU Coordinated

Exploitation Status

No Known Exploitation

EUVD ID

View on ENISA

ENISA Analysis

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.

Affected Products (ENISA)

gigabyte
uefi-overclocksmihandler

ENISA Scoring

CVSS Score (3.1)

8.2
/10
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS Score

0.010
probability

ENISA References

https://www.gigabyte.com/Support/Security
https://www.binarly.io/advisories/brly-dva-2025-011
https://kb.cert.org/vuls/id/746790

Data provided by ENISA EU Vulnerability Database. Last updated: July 15, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-35m5-23fr-x9rq

Advisory Details

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.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-7029
WEB https://kb.cert.org/vuls/id/746790
WEB https://www.binarly.io/advisories/brly-dva-2025-011
WEB https://www.gigabyte.com/Support/Security

Advisory provided by GitHub Security Advisory Database. Published: July 11, 2025, Modified: July 15, 2025

Published: Unknown
Last Modified: Unknown
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