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.

Published: 2024-08-13 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-20584 is rated Low Risk (23.6/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.17%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-20584

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.02% 0.17% +0.15%
2 2025-11-21 0.05% 0.02% -0.04%
3 2025-11-18 — 0.05% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-20584

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 0.8 4.0 [email protected]
6.0 3.1 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:N)
Service keeps running; no real outage angle.
 1.5 4.0 [email protected]

Weakness enumeration for CVE-2023-20584

OS Trackers for CVE-2023-20584

vendor priority summary link
debian not yet assigned CVE-2023-20584 not yet assigned priority: Debian including 1 source packages (amd64-microcode), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2023-20584
redhat medium — https://access.redhat.com/security/cve/CVE-2023-20584
suse medium CVE-2023-20584 severity moderate: SUSE including 62 source package names (cluster-md-kmp-default, dlm-kmp-default, …), 255 product×package rows across 44 product lines (SUSE Liberty Linux 8, SUSE Liberty Linux 9, … (44 product lines)): Known Not Affected 217, Fixed 38. https://www.suse.com/security/cve/CVE-2023-20584/
ubuntu medium CVE-2023-20584 medium priority: Ubuntu including 1 source packages (amd64-microcode), 9 status rows across 9 suites (bionic, focal, jammy, noble, oracular, plucky, trusty, upstream, xenial): not-affected 6, released 3. https://ubuntu.com/security/CVE-2023-20584

Affected software / configurations for CVE-2023-20584

Vendor Product Version Raw CPE
amd epyc_8024pn_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_8024pn_firmware:*:*:*:*:*:*:*:*
amd epyc_8024p_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_8024p_firmware:*:*:*:*:*:*:*:*
amd epyc_8124pn_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_8124pn_firmware:*:*:*:*:*:*:*:*
amd epyc_8124p_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_8124p_firmware:*:*:*:*:*:*:*:*
amd epyc_8224pn_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_8224pn_firmware:*:*:*:*:*:*:*:*
amd epyc_8224p_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_8224p_firmware:*:*:*:*:*:*:*:*
amd epyc_8324pn_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_8324pn_firmware:*:*:*:*:*:*:*:*
amd epyc_8324p_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_8324p_firmware:*:*:*:*:*:*:*:*
amd epyc_8434pn_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_8434pn_firmware:*:*:*:*:*:*:*:*
amd epyc_8434p_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_8434p_firmware:*:*:*:*:*:*:*:*
amd epyc_8534pn_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_8534pn_firmware:*:*:*:*:*:*:*:*
amd epyc_8534p_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_8534p_firmware:*:*:*:*:*:*:*:*
amd epyc_9734_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9734_firmware:*:*:*:*:*:*:*:*
amd epyc_9754s_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9754s_firmware:*:*:*:*:*:*:*:*
amd epyc_9754_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9754_firmware:*:*:*:*:*:*:*:*
amd epyc_9184x_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9184x_firmware:*:*:*:*:*:*:*:*
amd epyc_9384x_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9384x_firmware:*:*:*:*:*:*:*:*
amd epyc_9684x_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9684x_firmware:*:*:*:*:*:*:*:*
amd epyc_9124_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9124_firmware:*:*:*:*:*:*:*:*
amd epyc_9174f_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9174f_firmware:*:*:*:*:*:*:*:*
amd epyc_9224_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9224_firmware:*:*:*:*:*:*:*:*
amd epyc_9254_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9254_firmware:*:*:*:*:*:*:*:*
amd epyc_9274f_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9274f_firmware:*:*:*:*:*:*:*:*
amd epyc_9334_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9334_firmware:*:*:*:*:*:*:*:*
amd epyc_9354_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9354_firmware:*:*:*:*:*:*:*:*
amd epyc_9354p_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9354p_firmware:*:*:*:*:*:*:*:*
amd epyc_9374f_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9374f_firmware:*:*:*:*:*:*:*:*
amd epyc_9454_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9454_firmware:*:*:*:*:*:*:*:*
amd epyc_9454p_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9454p_firmware:*:*:*:*:*:*:*:*
amd epyc_9474f_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9474f_firmware:*:*:*:*:*:*:*:*
amd epyc_9534_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9534_firmware:*:*:*:*:*:*:*:*
amd epyc_9554_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9554_firmware:*:*:*:*:*:*:*:*
amd epyc_9554p_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9554p_firmware:*:*:*:*:*:*:*:*
amd epyc_9634_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9634_firmware:*:*:*:*:*:*:*:*
amd epyc_9654_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9654_firmware:*:*:*:*:*:*:*:*
amd epyc_9654p_firmware < genoapi_1.0.0.b cpe:2.3:o:amd:epyc_9654p_firmware:*:*:*:*:*:*:*:*
amd epyc_7203_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7203_firmware:*:*:*:*:*:*:*:*
amd epyc_7203p_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7203p_firmware:*:*:*:*:*:*:*:*
amd epyc_72f3_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_72f3_firmware:*:*:*:*:*:*:*:*
amd epyc_7303_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7303_firmware:*:*:*:*:*:*:*:*
amd epyc_7303p_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7303p_firmware:*:*:*:*:*:*:*:*
amd epyc_7313_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7313_firmware:*:*:*:*:*:*:*:*
amd epyc_7313p_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7313p_firmware:*:*:*:*:*:*:*:*
amd epyc_7343_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7343_firmware:*:*:*:*:*:*:*:*
amd epyc_73f3_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_73f3_firmware:*:*:*:*:*:*:*:*
amd epyc_7373x_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7373x_firmware:*:*:*:*:*:*:*:*
amd epyc_7413_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7413_firmware:*:*:*:*:*:*:*:*
amd epyc_7443_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7443_firmware:*:*:*:*:*:*:*:*
amd epyc_7443p_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7443p_firmware:*:*:*:*:*:*:*:*
amd epyc_74f3_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_74f3_firmware:*:*:*:*:*:*:*:*
amd epyc_7453_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7453_firmware:*:*:*:*:*:*:*:*
amd epyc_7473x_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7473x_firmware:*:*:*:*:*:*:*:*
amd epyc_7513_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7513_firmware:*:*:*:*:*:*:*:*
amd epyc_7543_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7543_firmware:*:*:*:*:*:*:*:*
amd epyc_7543p_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7543p_firmware:*:*:*:*:*:*:*:*
amd epyc_75f3_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_75f3_firmware:*:*:*:*:*:*:*:*
amd epyc_7573x_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7573x_firmware:*:*:*:*:*:*:*:*
amd epyc_7643_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7643_firmware:*:*:*:*:*:*:*:*
amd epyc_7773x_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7773x_firmware:*:*:*:*:*:*:*:*
amd epyc_7643p_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7643p_firmware:*:*:*:*:*:*:*:*
amd epyc_7663_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7663_firmware:*:*:*:*:*:*:*:*
amd epyc_7663p_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7663p_firmware:*:*:*:*:*:*:*:*
amd epyc_7713_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7713_firmware:*:*:*:*:*:*:*:*
amd epyc_7713p_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7713p_firmware:*:*:*:*:*:*:*:*
amd epyc_7763_firmware < milanpi_1.0.0.b cpe:2.3:o:amd:epyc_7763_firmware:*:*:*:*:*:*:*:*

References for CVE-2023-20584

cvelogic Threat Intelligence