Skip to main content
No exploitation reportedFix available

CVE-2023-20584

No exploitation reported by the sources we read.

  • Published2024-08-13
  • Fixed inmilanpi_1.0.0.b

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2024-08-1317:15CVE publishedNVD

Versions per branch

NVD
Amd epyc 7203 firmwareversion to verify
BranchAffectedFixed in
—< milanpi_1.0.0.bmilanpi_1.0.0.b
Amd epyc 7203p firmwareversion to verify
BranchAffectedFixed in
—< milanpi_1.0.0.bmilanpi_1.0.0.b
Amd epyc 72f3 firmwareversion to verify
BranchAffectedFixed in
—< milanpi_1.0.0.bmilanpi_1.0.0.b

62 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA2 products

As AMD, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • AMD EPYC™ 7003 Processorsother versions: affected

    Not affected = MilanPI 1.0.0.C

  • AMD EPYC™ 9004 Processorsother versions: affected

    Not affected = GenoaPI 1.0.0.B

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2024-08-13

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • amd64-microcodeUbuntu:24.04:LTSall versions · fixed in 3.20250311.1ubuntu0.24.04.1
  • amd64-microcodeDebian:14all versions · fixed in 3.20240820.1
  • amd64-microcodeDebian:13all versions · fixed in 3.20240820.1
  • amd64-microcodeDebian:12all versions · fixed in 3.20240820.1~deb12u1
  • iwl100-firmwareTuxCare:CentOS:8.5all versions · fixed in 39.31.5.1-103.gitd79c2677.el8.tuxcare.els6
  • iwl100-firmwareTuxCare:CentOS:8.4all versions · fixed in 39.31.5.1-102.git05789708.el8.tuxcare.els6
  • iwl100-firmwareTuxCare:CentOS-Stream:8all versions · fixed in 39.31.5.1-121.gitb3132c18.el8.tuxcare.els3
  • iwl100-firmwareTuxCare:AlmaLinux:9.2all versions · fixed in 39.31.5.1-135.el9_2.alma.1.tuxcare.els5

131 more package ranges on OSV.dev

Vendor advisories

  • CVE-2023-20584 Red Hat Product Security124 products fixed

    kernel: hw:amd:IOMMU improperly handles certain special address leading to a loss of guest integrity

Full record on NVD

Fix

  1. Update Amd epyc 7203 firmware to milanpi_1.0.0.b
  2. Vendor fix Red Hat Product Security CVE-2023-20584 · 22 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  3. Workaround from the vendor Red Hat Product Security CVE-2023-20584 · 124 productsRed Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N
Published
2024-08-13
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-7cfh-j5pv-fw3c

Frequently asked questions

What is CVE-2023-20584?

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.

Is CVE-2023-20584 actively exploited?

Active exploitation of CVE-2023-20584 has not been confirmed. Its EPSS score was 0.2% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-20584?

CVE-2023-20584 has a CVSS v3 base score of 6 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N.

Running Linux kernel? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record