CVE-2021-26333
5.5 · MEDIUMOverview
CVE-2021-26333 is a medium-severity vulnerability affecting amd chipset_driver. It was published on September 21, 2021 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
An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages.
Remediation
Check the references section for vendor advisories and patches from amd. Update chipset_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 | chipset_driver | >= 0, < 3.08.17.735 | Affected |
| amd | psp_driver | >= 0, < 5.17.0.0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-26333?
CVE-2021-26333 is a medium-severity vulnerability affecting amd chipset_driver. It was published on September 21, 2021 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2021-26333?
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-2021-26333?
Check the references section for vendor advisories and patches from amd. Update chipset_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-2021-26333?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-26333 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
AI agents map your attack surface to find vulnerabilities like this one.
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