CVE-2021-26367

Summary

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.

Affected Software

VendorProductVersion RangeStatus
AMDAMD Ryzen™ 5000 Series Desktop Processor with Radeon™ GraphicsComboAM4v2 PI 1.2.0.5unaffected
AMDAMD Athlon™ 3000 Series Desktop Processors with Radeon™ GraphicsComboAM4PI 1.0.0.9unaffected
AMDAMD Athlon™ 3000 Series Desktop Processors with Radeon™ GraphicsComboAM4v2 PI 1.2.0.8unaffected
AMDAMD Ryzen™ 4000 Series Desktop Processors with Radeon™ GraphicsComboAM4v2 PI 1.2.0.5unaffected
AMDAMD Athlon™ 3000 Series Mobile Processors with Radeon™ GraphicsPicassoPI-FP5 1.0.0.Eunaffected
AMDAMD Athlon™ 3000 Series Mobile Processors with Radeon™ GraphicsPollockPI-FT5 1.0.0.4unaffected
AMDAMD Ryzen™ 3000 Series Mobile Processor with Radeon™ GraphicsPicassoPI-FP5 1.0.0.Eunaffected
AMDAMD Ryzen™ 4000 Series Mobile Processors with Radeon™ GraphicsRenoirPI-FP6 1.0.0.7unaffected
AMDAMD Ryzen™ 5000 Series Mobile Processors with Radeon™ GraphicsCezannePI-FP6 1.0.0.6unaffected
AMDAMD Ryzen™ 5000 Series Processors with Radeon™ GraphicsCezannePI-FP6 1.0.0.6unaffected
AMDAMD Ryzen™ 3000 Series Processors with Radeon™ GraphicsCezannePI-FP6 1.0.0.6unaffected
AMDAMD Ryzen™ 5000 Series Processors with Radeon™ GraphicsCezannePI-FP6 1.0.0.6unaffected
AMDAMD Ryzen™ 3000 Series Processors with Radeon™ GraphicsCezannePI-FP6 1.0.0.6unaffected
AMDAMD Radeon™ RX 6000 Series Graphics CardsAMD Software: Adrenalin Edition 23.12.1 (23.30.13.01)unaffected
AMDAMD Radeon™ PRO W6000 Series Graphics CardsAMD Software: PRO Edition 23.Q4 (23.30.13.03)unaffected
AMDAMD Ryzen™ Embedded R1000 Series ProcessorsEmbeddedPI-FP5 1.2.0.Aunaffected
AMDAMD Ryzen™ Embedded R2000 Series ProcessorsEmbeddedR2KPI-FP5 1.0.0.2unaffected
AMDAMD Ryzen™ Embedded V1000 Series ProcessorsEmbeddedPI-FP5 1.2.0.Aunaffected
AMDAMD Ryzen™ Embedded V2000 Series ProcessorsEmbeddedPI-FP6 1.0.0.6unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References