CVE catalog

CVE-2023-20584

AMD Microcode vulnerabilities

[CVE catalog]

Severity
Medium · CVSS 5.3CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N
Published
Source
[NVD] · [CVE record]
EPSS
0.19% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianamd64-microcodesid3.20251202.1fixed
Debianamd64-microcodeforky3.20251202.1fixed
Debianamd64-microcodetrixie3.20250311.1fixed
Debianamd64-microcodebookworm3.20250311.1~deb12u1fixed
Debianamd64-microcodebookworm-security3.20230719.1~deb12u1vulnerable
Ubuntuamd64-microcodenoble3.20240820.1~deb12u1fixed
Ubuntuamd64-microcodenoble3.20250311.1ubuntu0.24.04.1fixed
Ubuntuamd64-microcode24.043.20230808.1.1ubuntu1vulnerable
Ubuntuamd64-microcode24.043.20231019.1ubuntu1vulnerable
Ubuntuamd64-microcode24.043.20231019.1ubuntu2vulnerable
Ubuntuamd64-microcode24.043.20231019.1ubuntu2.1vulnerable
Ubuntuamd64-microcode24.043.20250311.1ubuntu0.24.04.1fixed
Ubuntuamd64-microcode24.043.20230808.1.1ubuntu1vulnerable
Ubuntuamd64-microcode24.043.20231019.1ubuntu1vulnerable
Ubuntuamd64-microcode24.043.20231019.1ubuntu2vulnerable
Ubuntuamd64-microcode24.043.20231019.1ubuntu2.1vulnerable
Ubuntuamd64-microcode24.043.20250311.1ubuntu0.24.04.1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianamd64-microcodesourcesid3.20240820.1not yet assignedNot reportedNot reported
Debianamd64-microcodesourceforky3.20240820.1not yet assignedNot reportedNot reported
Debianamd64-microcodesourcetrixie3.20240820.1not yet assignedNot reportedNot reported
Debianamd64-microcodesourcebookworm3.20240820.1~deb12u1not yet assignedNot reportedNot reported
Ubuntuamd64-microcodedebnoble3.20240820.1~deb12u1Not reportedNot reportedNot reported
Ubuntuamd64-microcodedebnoble3.20250311.1ubuntu0.24.04.1Not reportedNot reportedNot reported
Ubuntuamd64-microcodedeb24.043.20250311.1ubuntu0.24.04.1Not reportedUSN-7561-1Not reported
Ubuntuamd64-microcodedeb24.043.20250311.1ubuntu0.24.04.1Not reportedUBUNTU-CVE-2023-20584Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • Details (1)
    • 3.20250311.1~deb12u1 · amd64 · bookworm

      Fixed · Fixed: 3.20240820.1~deb12u1

      usn · amd64-microcode · debian · bookworm; usn · amd64-microcode · debian · 12

[Debian 13 (Trixie)]

  • Details (1)
    • 3.20250311.1 · amd64 · trixie

      Fixed · Fixed: 3.20240820.1

      usn · amd64-microcode · debian · 13

Observed:

References