CVE-2023-20598

CVE Enrichment

CVSS: 7.8 HIGH
EPSS: 0.46%
EPSS Percentile: 37.95%
CISA KEV: Not listed

Description

An improper privilege management in the AMD Radeon™ Graphics driver may allow an authenticated attacker to craft an IOCTL request to gain I/O control over arbitrary hardware ports or physical addresses resulting in a potential arbitrary code execution.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: psirt@amd.com
Published: 17-Oct-2023 21:15
Last Modified: 17-Jun-2026 12:30
EPSS Date: 2026-10-11
CWE: CWE-269

CVSS Vector


            CVSS:3.1                            AV:L /
                            AC:L /
                            PR:L /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

Affected Products / Versions

amd / radeon_software
Version / affected range: * · before (exclusive) 23.9.2
cpe:2.3:a:amd:radeon_software:*:*:*:*:adrenalin:*:*:*
amd / radeon_software
Version / affected range: * · before (exclusive) 23.q4
cpe:2.3:a:amd:radeon_software:*:*:*:*:pro:*:*:*

References

af854a3a-2127-422b-91ae-364da2661108

Last enrichment sync: 12-Oct-2026 18:18
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (1)

malware research on Lunex loaders compiled mid-September documented abuse of AMD PDFWKRNL.sys (CVE-2023-20598) to zero kernel notify callbacks after resolving offsets via Microsoft PDB downloads. Ransomware Disclosures Fell to 862 in September as Affiliates Continued Evolving Their Tactics

CVE (4)

Malware (1)

Threat Actors (33)

Vendors (6)

Products (16)

Tools (16)

Industries (10)

Countries (8)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.