CVE-2025-7029
Intel Software SMI Handler Buffer Overflow Vulnerability
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.
INFO
Published Date :
July 11, 2025, 4:15 p.m.
Last Modified :
July 15, 2025, 3:15 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-7029
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update system firmware from the vendor.
- Verify the update is correctly applied.
- Test system stability after the update.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-7029.
| URL | Resource |
|---|---|
| https://kb.cert.org/vuls/id/746790 | |
| https://www.binarly.io/advisories/brly-dva-2025-011 | |
| https://www.gigabyte.com/Support/Security |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-7029 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-7029
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-7029 vulnerability anywhere in the article.
-
CybersecurityNews
Gigabyte UEFI Firmware Vulnerability Let Attackers Execute Arbitrary Code in the SMM Environment
Critical security vulnerabilities have been discovered in Gigabyte UEFI firmware that could allow attackers to execute arbitrary code in System Management Mode (SMM), one of the most privileged execut ... Read more
-
BleepingComputer
Gigabyte motherboards vulnerable to UEFI malware bypassing Secure Boot
Dozens of Gigabyte motherboard models run on UEFI firmware vulnerable to security issues that allow planting bootkit malware that is invisible to the operating system and can survive reinstalls. The v ... Read more
The following table lists the changes that have been made to the
CVE-2025-7029 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 15, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H -
New CVE Received by [email protected]
Jul. 11, 2025
Action Type Old Value New Value Added 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. Added Reference https://kb.cert.org/vuls/id/746790 Added Reference https://www.binarly.io/advisories/brly-dva-2025-011 Added Reference https://www.gigabyte.com/Support/Security