Vulnerability · Published Sep 21, 2021 · Assigned by AMD
CVE-2021-26333AMD Chipset Driver Information Disclosure Vulnerability
Medium 5.5
In plain English
A medium-severity information exposure in PSP Driver from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.5%top 55.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | PSP Driver | PSP Driver – before 5.17.0.0 |
Weakness: CWE-200
References
- 20210917 AMD Chipset Driver Information Disclosure Vulnerability [CVE-2021-26333] mailing-list, x_refsource_FULLDISC
- http://packetstormsecurity.com/files/164202/AMD-Chipset-Driver-Information-Disclosure-Memory-Leak.html x_refsource_MISC
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1009 x_refsource_MISC