VDB

CVE-2021-26381

CVE-2021-26381 PUBLISHED CVSS 7.099999904632568 HIGH

Improper system call parameter validation in the Trusted OS may allow a malicious driver to perform mapping or unmapping operations on a large number of pages, potentially resulting in kernel memory corruption.

EPSS 0.01% · 0.6th percentile

Risk Scores

CVSS v4.0
7.099999904632568
CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.01%
0.6th percentile

Affected Products

VendorProductVersions
AMDAMD Radeon™ RX 6000 Series Graphics ProductsAMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10), AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)
AMDAMD Ryzen™ 3000 Series Desktop ProcessorsComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8, ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8
AMDAMD Radeon™ PRO V520Contact Your AMD Customer Engineering Represenatative, *
AMDAMD Ryzen™ 4000 Series Mobile Processors with Radeon™ GraphicsRenoirPI-FP6 1.0.0.8, RenoirPI-FP6 1.0.0.8
AMDAMD Ryzen™ Embedded 5000 Series ProcessorsEmbAM4PI 1.0.0.2, *
AMDAMD Ryzen™ Embedded R2000 Series Processors*, EmbeddedR2KPI-FP5_1.0.0.2
AMDAMD Athlon™ 3000 Series Mobile Processors with Radeon™ GraphicsPicassoPI-FP5 1.0.0.E, PicassoPI-FP5 1.0.0.E
AMDAMD Radeon™ PRO W5000 Series Graphics ProductsAMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10), AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)
AMDAMD Radeon™ PRO W6000 Series Graphics ProductsAMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10), AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)
AMDAMD Ryzen™ Embedded V2000 Series ProcessorsEmbeddedPI-FP6_1.0.0.6, *
AMDAMD Ryzen™ Threadripper™ PRO 5000 WX-Series ProcessorsChagallWSPI-sWRX8 1.0.0.1, ChagallWSPI-sWRX8 1.0.0.1
AMDAMD Ryzen™ 5000 Series Desktop Processors with Radeon™ GraphicsComboAM4v2 PI 1.2.0.5, ComboAM4v2 PI 1.2.0.5
AMDAMD Ryzen™ 4000 Series Desktop ProcessorsComboAM4v2 PI 1.2.0.5, ComboAM4v2 PI 1.2.0.5
AMDAMD Ryzen™ Embedded V1000 Series Processors (formerly codenamed "Picasso")120A, 120A
AMDAMD Ryzen™ Embedded V3000 Series ProcessorsEmbeddedPI-FP7r2_0080, EmbeddedPI-FP7r2_0080
AMDAMD Ryzen™ 5000 Series Desktop ProcessorsComboAM4 V2 PI 1.2.0.8, ComboAM4 V2 PI 1.2.0.8
AMDAMD Ryzen™ Threadripper™ PRO 3000 WX-Series ProcessorsChagallWSPI-sWRX8 1.0.0.2/ CastlePeakWSPI-sWRX8 1.0.0.9, *
AMDAMD Radeon™ PRO V620Contact Your AMD Customer Engineering Represenatative, Contact Your AMD Customer Engineering Represenatative
AMDAMD Radeon™ RX 5000 Series Graphics ProductsAMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10), AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)
AMDAMD Ryzen™ 5000 Series Mobile Processors with Radeon™ GraphicsCezannePI-FP6 1.0.0.8, CezannePI-FP6 1.0.0.8

…and 2 more

Timeline

  • Feb 10, 2026 CVE Published
  • Feb 11, 2026 EPSS Score
  • Feb 13, 2026 EPSS Score
  • Feb 15, 2026 EPSS Score
  • Feb 17, 2026 EPSS Score
  • Feb 19, 2026 EPSS Score
  • Feb 21, 2026 EPSS Score
  • Feb 23, 2026 EPSS Score
  • Feb 25, 2026 EPSS Score
  • Feb 26, 2026 CVE Updated
  • Feb 27, 2026 EPSS Score
  • Mar 1, 2026 EPSS Score
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