CVE-2021-26377

mediumpriority · track · 0EPSS 0.002 · 4 %ileDEEU

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.15% (4th) EPSS

CVSS 4.1 · medium

Is it mine?

40 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

Insufficient parameter validation while allocating process space in the Trusted OS (TOS) may allow for a malicious userspace process to trigger an integer overflow, leading to a potential denial of service.

cvss

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

4.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.8–4.1

v3.14.1mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.14.1mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondary · psirt@amd.comexploitability 0.5 · impact 3.6

v3.13.8lowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/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-190US

affected products (40)

Products and version ranges known to be affected.

AMD Prozessor EPYCall versionscert_bundDEcpe:/h:amd:amd_processor:epyc
AMD Prozessor EPYC 7272 CPU on SEVall versionscert_bundDEcpe:/h:amd:amd_processor:epyc_7272_cpu_on_sev
AMD Prozessor Ryzenall versionscert_bundDEcpe:/h:amd:amd_processor:ryzen
AMD Radeon graphics productsall versionscert_bundDEcpe:/h:amd:radeon:graphics_products
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Dell Computerall versionscert_bundDEcpe:/o:dell:dell_computer:-
Dell PowerEdgeall versionscert_bundDEcpe:/h:dell:poweredge:-
HP Computerall versionscert_bundDEcpe:/h:hp:computer:-
Lenovo Computerall versionscert_bundDEcpe:/h:lenovo:computer:-
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
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™ Instinct™ MI25 Graphics Products< Contact your AMD Customer Engineering representativeenisa_euvdEU
AMD AMD Radeon™ PRO V520 Graphics Products< Contact your AMD Customer Engineering representativeenisa_euvdEU
AMD AMD Radeon™ PRO V620 Graphics Products< Contact your AMD Customer Engineering representativeenisa_euvdEU
AMD AMD Radeon™ PRO W5000 Series Graphics Products< AMD Software: PRO Edition 24.Q2 (24.10.20)enisa_euvdEU
AMD AMD Radeon™ PRO W6000 Series Graphics Products< AMD Software: PRO Edition 24.Q2 (24.10.20)enisa_euvdEU
AMD AMD Radeon™ RX 5000 Series Graphics Products< AMD Software: Adrenalin Edition 24.7.1 (24.10.29.01)enisa_euvdEU
AMD AMD Radeon™ RX 5000 Series Graphics Products< AMD Software: PRO Edition 24.Q2 (24.10.20)enisa_euvdEU

showing 20 of 40

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1767AMD Radeon Graphics Products: Mehrere SchwachstellenDeutsch2025-08-12csaf · cert_bundDE
Ein lokaler Angreifer kann mehrere Schwachstellen in AMD Radeon ausnutzen, um sich erhöhte Privilegien zu verschaffen, beliebigen Code auszuführen, einen Denial of Service-Zustand herbeizuführen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder nicht näher spezifizierte Angriffe durchzuführen.
WID-SEC-W-2025-1770AMD Prozessoren: Mehrere SchwachstellenDeutsch2025-08-12csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in AMD Prozessoren ausnutzen, um Sicherheitsmaßnahmen zu umgehen, erweiterte Privilegien zu erlangen, beliebigen Code auszuführen, einen Denial-of-Service-Zustand zu verursachen, Daten zu manipulieren, vertrauliche Informationen offenzulegen oder nicht näher spezifizierte Angriffe durchzuführen.

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 2025-09-06modified 2026-06-17

references (9)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan