Vulnerability-Lookup

CVE-2023-20511 (GCVE-0-2023-20511)

Vulnerability from cvelistv5 – Published: 2026-08-31 18:15 – Updated: 2026-09-01 14:46

Summary

Release of an invalid pointer in the AMD kernel mode driver (KMD) could allow a privileged attacker to create a double free condition potentially leading to arbitrary code execution.

Severity

6.4 (Medium)


                        
                          CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-01 03:56 UTC

CWE

CWE-763 - Release of Invalid Pointer or Reference

Assigner

AMD mitre root

References

1 reference

URL	Tags
https://www.amd.com/en/resources/product-security…

Impacted products

2 products

Vendor	Product	Version	CPE status
AMD	AMD Radeon™ Instinct™ MI25 Graphics Products	Unaffected: Contact your AMD Customer Engineering representative	guessed
AMD	AMD Radeon™ PRO V620 Graphics Products	Unaffected: Contact your AMD Customer Engineering representative	guessed

Date Public

2026-08-31 16:45

Show details on NVD website

JSON

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FKIE_CVE-2023-20511

Vulnerability from fkie_nvd - Published: 2026-08-31 19:16 - Updated: 2026-09-03 16:37

Severity

6.4 (Medium) - CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

Summary

Release of an invalid pointer in the AMD kernel mode driver (KMD) could allow a privileged attacker to create a double free condition potentially leading to arbitrary code execution.

References

	URL	Tags
	psirt@amd.com	https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6018.html

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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GHSA-98R8-GV3J-W3M9

Vulnerability from github – Published: 2026-08-31 21:32 – Updated: 2026-08-31 21:32

Details

Release of an invalid pointer in the AMD kernel mode driver (KMD) could allow a privileged attacker to create a double free condition potentially leading to arbitrary code execution.

Severity

6.4 (Medium)


                  
                    CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

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  ],
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    "github_reviewed": false,
    "github_reviewed_at": null,
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    "severity": "MODERATE"
  },
  "details": "Release of an invalid pointer in the AMD kernel mode driver (KMD) could allow a privileged attacker to create a double free condition potentially leading to arbitrary code execution.",
  "id": "GHSA-98r8-gv3j-w3m9",
  "modified": "2026-08-31T21:32:09Z",
  "published": "2026-08-31T21:32:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-20511"
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      "type": "CVSS_V3"
    }
  ]
}

GSD-2023-20511

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.

Aliases

CVE-2023-20511

Aliases

CVE-2023-20511

JSON

To clipboard

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    "alias": "CVE-2023-20511",
    "id": "GSD-2023-20511"
  },
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      "remediation": "unknown",
      "reportConfidence": "confirmed",
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}

WID-SEC-W-2025-1767

Vulnerability from csaf_certbund - Published: 2025-08-12 22:00 - Updated: 2025-11-02 23:00

Summary

AMD Radeon Graphics Products: Mehrere Schwachstellen

Severity

Hoch

Scope

22 vulnerabilities in this advisory, including CVE-2023-20511.

CVE-2023-20511

Known affected: 5 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2023-20511 (GCVE-0-2023-20511)

FKIE_CVE-2023-20511

GHSA-98R8-GV3J-W3M9

GSD-2023-20511

WID-SEC-W-2025-1767

Tags

Sightings

Nomenclature

Related by attack behaviour