CVE-2021-26367 - CVE House
Back to Database
Status published Medium CVE-2021-26367

A malicious attacker in x86 can misconfigure the Trusted Memory...

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-26367

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics, AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics, AMD Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics, AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics, AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics, AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics, AMD Ryzen™ 3000 Series Processors with Radeon™ Graphics, AMD Radeon™ RX 6000 Series Graphics Cards, AMD Radeon™ PRO W6000 Series Graphics Cards, AMD Ryzen™ Embedded R1000 Series Processors, AMD Ryzen™ Embedded R2000 Series Processors, AMD Ryzen™ Embedded V1000 Series Processors, AMD Ryzen™ Embedded V2000 Series Processors
Vulnerable Versions:
ComboAM4v2 PI 1.2.0.5, ComboAM4PI 1.0.0.9, ComboAM4v2 PI 1.2.0.8, PicassoPI-FP5 1.0.0.E, PollockPI-FT5 1.0.0.4, RenoirPI-FP6 1.0.0.7, CezannePI-FP6 1.0.0.6, AMD Software: Adrenalin Edition 23.12.1 (23.30.13.01), AMD Software: PRO Edition 23.Q4 (23.30.13.03), EmbeddedPI-FP5 1.2.0.A, EmbeddedR2KPI-FP5 1.0.0.2, EmbeddedPI-FP6 1.0.0.6

Timeline

Official Publish: August 13th, 2024
Last Modified: December 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.