CVE-2024-56161

highpriority · track · 0EPSS 0.005 · 45 %ileDEEURU

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.53% (45th) EPSS

CVSS 7.2 · high

Is it mine?

22 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Improper signature verification in AMD CPU ROM microcode patch loader may allow an attacker with local administrator privilege to load malicious CPU microcode resulting in loss of confidentiality and integrity of a confidential guest running under AMD SEV-SNP.

cvss

Technical severity, 0–10. One row per scoring source.

7.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.2

v3.17.2highAV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:Nsecondary · FSTEC (BDU) RU

v3.17.2highCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:Nsecondary · ENISA EU

v3.17.2highCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:Nsecondary · psirt@amd.comexploitability 0.8 · impact 5.8

v3.16.6mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-347USCWE-347US

affected products (22)

Products and version ranges known to be affected.

AMD Prozessor EPYCall versionscert_bundDEcpe:/h:amd:amd_processor:epyc
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Dell PowerEdgeall versionscert_bundDEcpe:/h:dell:poweredge:-
HPE ProLiantall versionscert_bundDEcpe:/h:hp:proliant:-
HPE ProLiantall versionscert_bundDEcpe:/h:hp:proliant:server
Lenovo BIOSall versionscert_bundDEcpe:/h:lenovo:bios:-
Lenovo Computerall versionscert_bundDEcpe:/h:lenovo:computer:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
AMD AMD EPYC™ 7001 Series< NaplesPI 1.0.0.Penisa_euvdEU
AMD AMD EPYC™ 7002 Series< RomePI 1.0.0.Lenisa_euvdEU
AMD AMD EPYC™ 7003 Series< MilanPI 1.0.0.Fenisa_euvdEU
AMD AMD EPYC™ 9004 Series< Genoa 1.0.0.Eenisa_euvdEU
Advanced Micro Devices Inc. AMD EPYC 7001 Seriesall versionsfstec_bduRU
Advanced Micro Devices Inc. AMD EPYC 7002 Seriesall versionsfstec_bduRU
Advanced Micro Devices Inc. AMD EPYC 7003 Seriesall versionsfstec_bduRU
Advanced Micro Devices Inc. AMD EPYC 9004 Seriesall versionsfstec_bduRU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 3.1fstec_bduRU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.14fstec_bduRU
ООО «РусБИТех-Астра» Astra Linux Common Edition≤ 1.6 «Смоленск»fstec_bduRU

showing 20 of 22

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-0257AMD Prozessor: Schwachstelle ermöglicht das Umgehen von SicherheitsmaßnahmenDeutsch2025-02-03csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in AMD Prozessor ausnutzen, um Sicherheitsmaßnahmen zu umgehen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2025-02-03modified 2026-06-17

references (9)

External citations — patches, advisories, analysis.

scry

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