6.5

CVE-2023-20592: amd 1st gen amd epyc™ processors

Modified
AliasesRHSA-2024:0753RHSA-2024:0978RHSA-2024:0979
Published 14-11-2023Last modified 11-10-2024

Vulnerability summary

CVE-2023-20592 is a medium (CVSS 6.5) vulnerability in amd 1st gen amd epyc™ processors. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 63.3% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 6.5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.02%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 15 · Related 8
OPENSUSE-SU-2024:13475-1OPENSUSE-SU-2025:14772-1RHSA-2023:5068RHSA-2023:5245RHSA-2023:5607RHSA-2024:0561

Timeline

  1. 14-11-2023
    PublishedVulnerability first disclosed.
  2. 11-10-2024
    Last modifiedVulnerability information updated.

Description

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to affect cache line write-back behavior of the CPU leading to a potential loss of guest virtual machine (VM) memory integrity.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.02%

Chance of exploitation in the next 30 days

Percentile

63%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.02% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Amd72 products
Redhat18 products
  • iwl100-firmware< 0:39.31.5.1-69.3.el7_6 | < 0:39.31.5.1-75.el7_7 | < 0:39.31.5.1-82.el7_9
  • iwl1000-firmware< 1:39.31.5.1-69.3.el7_6 | < 1:39.31.5.1-75.el7_7 | < 1:39.31.5.1-82.el7_9
  • iwl105-firmware< 0:18.168.6.1-69.3.el7_6 | < 0:18.168.6.1-75.el7_7 | < 0:18.168.6.1-82.el7_9
  • iwl135-firmware< 0:18.168.6.1-69.3.el7_6 | < 0:18.168.6.1-75.el7_7 | < 0:18.168.6.1-82.el7_9
  • iwl2000-firmware< 0:18.168.6.1-69.3.el7_6 | < 0:18.168.6.1-75.el7_7 | < 0:18.168.6.1-82.el7_9
Debian1 product
  • amd64-microcode< 3.20230719.1~deb12u1 | < 3.20230719.1
Ubuntu1 product
  • amd64-microcodeAll versions (No fix recorded)

4 vendors · 92 products

References

16 links
Show all 16 references