CVE Alert: CVE-2025-7026
Vulnerability Summary: CVE-2025-7026
A vulnerability in the Software SMI handler (SwSmiInputValue 0xB2) allows a local attacker to control the RBX register, which is used as an unchecked pointer in the CommandRcx0 function. If the contents at RBX match certain expected values (e.g., ‘$DB$’ or ‘2DB$’), the function performs arbitrary writes to System Management RAM (SMRAM), leading to potential privilege escalation to System Management Mode (SMM) and persistent firmware compromise.
Affected Endpoints:
No affected endpoints listed.
Published Date:
7/11/2025, 4:15:26 PM
🔥 CVSS Score:
Exploit Status:
Not ExploitedReferences:
- https://kb.cert.org/vuls/id/746790
- https://www.binarly.io/advisories/brly-dva-2025-008
- https://www.gigabyte.com/Support/Security
Recommended Action:
No proposed action available. Please refer to vendor documentation for updates.
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