A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution.
Product
amd ryzen embedded 7000 vulnerabilities
2 published CVES affecting amd ryzen embedded 7000, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 2
- Critical
- 0
- High
- 1
- Medium
- 1
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest amd ryzen embedded 7000 CVEs
Newest publication first
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MediumCVSS 6.4 EPSS 0.12%
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HighCVSS 7.5 EPSS 0.63%
Improper validation in a model specific register (MSR) could allow a malicious program with ring0 access to modify SMM configuration while SMI lock is enabled, potentially leading to arbitrary code execution.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.