# A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction.

CVE record · `CVE-2023-20569`

- **Identifiers:** `CVE-2023-20569`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** AMD
- **Technologies:** [AMD Ryzen™ 3000 Series Desktop Processors](https://agentprime.io/advisories/technology/amd-ryzentm-3000-series-desktop-processors.md) · [AMD Ryzen™ PRO 3000 Series Desktop Processors](https://agentprime.io/advisories/technology/amd-ryzentm-pro-3000-series-desktop-processors.md) · [AMD Ryzen™ 3000 Series Desktop Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-3000-series-desktop-processors-with-radeontm-graphics.md) · [AMD Ryzen™ PRO 3000 Series Processors with Radeon™ Vega Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-pro-3000-series-processors-with-radeontm-vega-graphics.md) · [AMD Athlon™ 3000 Series Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-athlontm-3000-series-processors-with-radeontm-graphics.md) · [AMD Athlon™ PRO 3000 Series Processors with Radeon™ Vega Graphics](https://agentprime.io/advisories/technology/amd-athlontm-pro-3000-series-processors-with-radeontm-vega-graphics.md) · [AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-4000-series-desktop-processors-with-radeontm-graphics.md) · [AMD Ryzen™ PRO 4000 Series Desktop Processors](https://agentprime.io/advisories/technology/amd-ryzentm-pro-4000-series-desktop-processors.md) · [AMD Ryzen™ 5000 Series Desktop Processors](https://agentprime.io/advisories/technology/amd-ryzentm-5000-series-desktop-processors.md) · [AMD Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-5000-series-desktop-processors-with-radeontm-graphics.md) · [Ryzen™ PRO 5000 Series Desktop Processors](https://agentprime.io/advisories/technology/ryzentm-pro-5000-series-desktop-processors.md) · [AMD Ryzen™ Threadripper™ 2000 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-threadrippertm-2000-series-processors.md) · [AMD Ryzen™ Threadripper™ 5000 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-threadrippertm-5000-series-processors.md) · [AMD Ryzen™ Threadripper™ 3000 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-threadrippertm-3000-series-processors.md) · [AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-athlontm-3000-series-mobile-processors-with-radeontm-graphics.md) · [AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-5000-series-processors-with-radeontm-graphics.md) · [AMD Ryzen™ PRO 5000 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-pro-5000-series-processors.md) · [AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-6000-series-processors-with-radeontm-graphics.md) · [AMD Ryzen™ PRO 6000 Series Processors](https://agentprime.io/advisories/technology/amd-ryzentm-pro-6000-series-processors.md) · [AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics](https://agentprime.io/advisories/technology/amd-ryzentm-7040-series-processors-with-radeontm-graphics.md)
- **Published:** 8 Aug 2023
- **Updated:** 23 Sept 2024
- **Reviewed by a person:** No

Published by the CVE Program (CNA: AMD) at 8 Aug 2023, 17:02 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: AMD. Product: Ryzen™ 3000 Series Desktop Processors.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ PRO 3000 Series Desktop Processors.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ 3000 Series Desktop Processors with Radeon™ Graphics.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ PRO 3000 Series Processors with Radeon™ Vega Graphics.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Athlon™ 3000 Series Processors with Radeon™ Graphics.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Athlon™ PRO 3000 Series Processors with Radeon™ Vega Graphics.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ PRO 4000 Series Desktop Processors.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ 5000 Series Desktop Processors.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ 5000 Series Desktop Processors with Radeon™ Graphics.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: Not given. Product: Ryzen™ PRO 5000 Series Desktop Processors.
  - affected: `various`
  - Other versions: affected
  - Package name: `AGESA`
- Vendor: AMD. Product: Ryzen™ Threadripper™ 2000 Series Processors.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ Threadripper™ 5000 Series Processors.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ Threadripper™ 3000 Series Processors.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ 5000 Series Processors with Radeon™ Graphics.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ PRO 5000 Series Processors.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ 6000 Series Processors with Radeon™ Graphics.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ PRO 6000 Series Processors.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ 7040 Series Processors with Radeon™ Graphics.
  - affected: `various`
  - Other versions: affected
  - Package name: 
- Vendor: AMD. Product: Ryzen™ 7000 Series Processors.
  - affected: `various`
  - Other versions: affected
- Vendor: AMD. Product: Ryzen™ 7000 Series Processors with Radeon™ Graphics.
  - affected: `various`
  - Other versions: affected
- Vendor: AMD. Product: 1st Gen AMD EPYC™ Processors.
  - affected: `various`
  - Other versions: affected
- Vendor: AMD. Product: 2nd Gen AMD EPYC™ Processors.
  - affected: `various`
  - Other versions: affected
- Vendor: AMD. Product: 3rd Gen AMD EPYC™ Processors.
  - affected: `various`
  - Other versions: affected
- Vendor: AMD. Product: 4th Gen AMD EPYC™ Processors.
  - affected: `various`
  - Other versions: affected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.073, the 94th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 8 Aug 2023. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2023-20569](https://www.cve.org/CVERecord?id=CVE-2023-20569)
- [NVD: CVE-2023-20569](https://nvd.nist.gov/vuln/detail/CVE-2023-20569)

### References from the CNA

- <https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7005> (vendor-advisory)
- <http://xenbits.xen.org/xsa/advisory-434.html>
- <http://www.openwall.com/lists/oss-security/2023/08/08/4>
- <https://comsec.ethz.ch/research/microarch/inception/>
- <https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L4E4TZNMLYL2KETY23IPA43QXFAVJ46V/>
- <https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PKK3IA63LSKM4EC3TN4UM6DDEIOWEQIG/>
- <https://lists.debian.org/debian-lts-announce/2023/08/msg00013.html>
- <https://www.debian.org/security/2023/dsa-5475>
- <https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T7WO5JM74YJSYAE5RBV4DC6A4YLEKWLF/>
- <https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HKKYIK2EASDNUV4I7EFJKNBVO3KCKGRR/>
- <https://security.netapp.com/advisory/ntap-20240605-0006/>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2023-20569>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2023-20569/>. Everything for agents: <https://agentprime.io/llms.txt>.