CVE-2021-26393
5.5 · MEDIUMOverview
CVE-2021-26393 is a medium-severity vulnerability affecting amd enterprise_driver. It was published on November 9, 2022 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Insufficient memory cleanup in the AMD Secure Processor (ASP) Trusted Execution Environment (TEE) may allow an authenticated attacker with privileges to generate a valid signed TA and potentially poison the contents of the process memory with attacker controlled data resulting in a loss of confidentiality.
Remediation
Check the references section for vendor advisories and patches from amd. Update enterprise_driver to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| amd | enterprise_driver | >= 0, < 22.10.20 | Affected |
| amd | radeon_pro_software | >= 0, < 22.q2 | Affected |
| amd | radeon_software | >= 0, < 22.5.2 | Affected |
Frequently Asked Questions
What is CVE-2021-26393?
CVE-2021-26393 is a medium-severity vulnerability affecting amd enterprise_driver. It was published on November 9, 2022 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2021-26393?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-26393?
Check the references section for vendor advisories and patches from amd. Update enterprise_driver to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-26393?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-26393 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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