CVE-2020-12931 — Improper parameters handling in the AMD Secure Processor (ASP) kernel may allow

Improper parameters handling in the AMD Secure Processor (ASP) kernel may allow a privileged attacker to elevate their privileges potentially leading to loss of integrity.

01What is this vulnerability?

Improper parameters handling in the AMD Secure Processor (ASP) kernel may allow a privileged attacker to elevate their privileges potentially leading to loss of integrity.

02Affected products

Vendor	Product	Versions
AMD	AMD Radeon RX 5000 Series & PRO W5000 Series	AMD Radeon Software, AMD Radeon Pro Software Enterprise, Enterprise Driver
AMD	AMD Ryzen(TM) Embedded R1000	various
AMD	AMD Ryzen(TM) Embedded R2000	various
AMD	AMD Ryzen(TM) Embedded 5000	various
AMD	AMD Ryzen(TM) Embedded V1000	various

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2022-11-09T20:44:24.974Z
• Last modified: 2024-09-17T00:56:08.624Z

09References

• www.amd.com — https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1029
• www.amd.com — https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-5001