CVE-2025-7029: GIGABYTE UEFI-OverClockSmiHandler · uncontrolled pointer deference
Affects GIGABYTE UEFI-OverClockSmiHandlerSource CVE Database V5
Not known to be exploited · CVSS 8.2 High.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 18% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 11 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| GIGABYTE UEFI-OverClockSmiHandler | Affected
| Fixed in– |
AI-suggested
Since no patches are currently available, organizations should implement strict local access controls to prevent unauthorized users from gaining the high privileges required to exploit this vulnerability. Limit administrative and physical access to affected systems. Employ firmware integrity monitoring and secure boot mechanisms to detect unauthorized firmware modifications. Monitor system logs for unusual SMI activity or crashes that could indicate exploitation attempts. Once GIGABYTE releases a firmware update addressing this vulnerability, prioritize timely deployment. Additionally, consider isolating critical systems using this hardware from untrusted networks and users to reduce attack surface. Employ hardware-based security features such as Intel TXT or AMD SVM where applicable to provide additional layers of protection against firmware attacks.
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.