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Fencer Vulns
high 7.8

CVE-2023-20598 json

An improper privilege management in the AMD Radeon™ Graphics driver may allow an authenticated attacker to craft an IOCTL request to gain I…

published 2023-10-17 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-24777

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

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.

Patch / fix

  • amd radeon_software 23.9.2, 23.q4

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2023-20598 updated cvss 8.2

hw: amd: AMD Radeon Graphics Kernel Driver Privilege Management Vulnerability

  • Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

  • AMD Radeon™ RX 5000 Series Graphics Cards
  • AMD Radeon™ RX 6000 Series Graphics Cards
  • AMD Radeon™ RX 7000 Series Graphics Cards
  • AMD Radeon™ PRO W5000 Series Graphics Cards
  • AMD Radeon™ PRO W6000 Series Graphics Cards
  • AMD Radeon™ PRO W7000 Series Graphics Cards
  • AMD Ryzen™ 7045 Series Processors with Radeon™ Graphics
  • AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics
  • AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics
  • AMD Ryzen™ 7000 Series Processors with Radeon™ Graphics
  • AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics
  • AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics
  • amd radeon_rx_5300_xt
  • amd ryzen_5_7645hx
  • amd ryzen_9_pro_7945

Classification

Weakness
  • CWE-269 Improper Privilege Management

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.