CVE-2021-26367

mediumpriority · track · 24EPSS 0.002 · 5 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.16% (5th) EPSS

CVSS 6 · medium

Is it mine?

65 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

A malicious attacker in x86 can misconfigure the Trusted Memory Regions (TMRs), which may allow the attacker to set an arbitrary address range for the TMR, potentially leading to a loss of integrity and availability.

cvss

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

6.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Hprimary · NVD / NIST USexploitability 0.8 · impact 5.2

v3.15.7mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:Hsecondary · ENISA EU

v3.15.7mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:Hsecondary · psirt@amd.comexploitability 0.5 · impact 5.2

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USLLM-inferred

affected products (65)

Products and version ranges known to be affected.

AMD Prozessor Athlonall versionscert_bundDEcpe:/h:amd:amd_processor:athlon
AMD Prozessor EPYCall versionscert_bundDEcpe:/h:amd:amd_processor:epyc
AMD Prozessor Ryzenall versionscert_bundDEcpe:/h:amd:amd_processor:ryzen
AMD Radeonall versionscert_bundDEcpe:/h:amd:radeon:-
Dell Computerall versionscert_bundDEcpe:/o:dell:dell_computer:-
Dell PowerEdgeall versionscert_bundDEcpe:/h:dell:poweredge:-
HP Computerall versionscert_bundDEcpe:/h:hp:computer:-
IBM Power Hardware Management Console V10all versionscert_bundDEcpe:/a:ibm:hardware_management_console:v10
Lenovo Computerall versionscert_bundDEcpe:/h:lenovo:computer:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics< ComboAM4PI 1.0.0.9enisa_euvdEU
AMD AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics< ComboAM4v2 PI 1.2.0.8enisa_euvdEU
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics< PicassoPI-FP5 1.0.0.Eenisa_euvdEU
AMD AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics< PollockPI-FT5 1.0.0.4enisa_euvdEU
AMD AMD Radeon™ PRO W6000 Series Graphics Cards< AMD Software: PRO Edition 23.Q4 (23.30.13.03)enisa_euvdEU
AMD AMD Radeon™ RX 6000 Series Graphics Cards< AMD Software: Adrenalin Edition 23.12.1 (23.30.13.01)enisa_euvdEU
AMD AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics< CezannePI-FP6 1.0.0.6enisa_euvdEU
AMD AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics< ComboAM4v2 PI 1.2.0.5enisa_euvdEU

showing 20 of 65

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2024-1837AMD Prozessoren: Mehrere SchwachstellenDeutsch2024-08-13csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in AMD Prozessor und AMD Radeon ausnutzen, um beliebigen Programmcode auszuführen, erhöhte Rechte zu erlangen, einen Denial-of-Service-Zustand zu erzeugen, Daten zu manipulieren, Sicherheitsmaßnahmen zu umgehen und vertrauliche Informationen preiszugeben.
WID-SEC-W-2024-1841AMD Radeon: Mehrere SchwachstellenDeutsch2024-08-13csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in AMD Radeon ausnutzen, um Daten zu manipulieren, einen Denial-of-Service-Zustand zu verursachen oder vertrauliche Informationen offenzulegen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund NVD CVE.org MITRE

published 2024-08-13modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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