6

CVE-2023-20584: amd epyc_7203_firmware

CVSS: 6.0v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2023-20584DEBIAN-CVE-2023-20584
Published 13-08-2024Last modified 05-11-2024
Open JSON

Vulnerability summary

CVE-2023-20584 is a medium (CVSS 6.0) vulnerability in amd epyc_7203_firmware. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 7.8% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
6.0/10
010
Medium · v3.1 (NVD)
EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 1
RHSA-2024:7418RHSA-2024:7481RHSA-2024:7483RHSA-2024:7484USN-7561-1

Timeline

  1. 13-08-2024
    PublishedVulnerability first disclosed.
  2. 05-11-2024
    Last modifiedVulnerability information updated.

Description

IOMMU improperly handles certain special address ranges with invalid device table entries (DTEs), which may allow an attacker with privileges and a compromised Hypervisor to induce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a loss of guest integrity.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

0.00 pp

From 0.19% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Amd65 products
Debian1 product
  • amd64-microcode< 3.20240820.1~deb12u1 | < 3.20240820.1
Ubuntu1 product
  • amd64-microcode< 3.20250311.1ubuntu0.24.04.1

3 vendors · 67 products

References

6 links