CVE-2021-26381 | THREATINT

Description

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.

PUBLISHED Reserved 2021-01-29 | Published 2026-02-10 | Updated 2026-02-26 | Assigner AMD

HIGH: 7.1CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-770 Allocation of Resources Without Limits or Throttling

Product status

Default status

affected

ChagallWSPI-sWRX8 1.0.0.2/ CastlePeakWSPI-sWRX8 1.0.0.9

unaffected

Default status

affected

ComboAM4v2 PI 1.2.0.5

unaffected

Default status

affected

ChagallWSPI-sWRX8 1.0.0.1

unaffected

Default status

affected

PicassoPI-FP5 1.0.0.E

unaffected

Default status

affected

CezannePI-FP6 1.0.0.8

unaffected

Default status

affected

ComboAM4PI 1.0.0.9/ ComboAM4 V2 PI 1.2.0.8

unaffected

Default status

affected

RenoirPI-FP6 1.0.0.8

unaffected

Default status

affected

ComboAM4v2 PI 1.2.0.5

unaffected

Default status

affected

ComboAM4 V2 PI 1.2.0.8

unaffected

Default status

affected

EmbeddedPI-FP5 1.2.0.A

unaffected

Default status

affected

EmbeddedR2KPI-FP5_1.0.0.2

unaffected

Default status

affected

EmbAM4PI 1.0.0.2

unaffected

Default status

affected

EmbeddedPI-FP5 1.2.0.A

unaffected

Default status

affected

120A

unaffected

Default status

affected

EmbeddedPI-FP6_1.0.0.6

unaffected

Default status

affected

EmbeddedPI-FP7r2_0080

unaffected

Default status

affected

AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)

unaffected

Default status

affected

AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)

unaffected

Default status

affected

AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)

unaffected

Default status

affected

AMD Software: Adrenalin Edition 25.4.1 (24.30.31.08), AMD Software: PRO Edition 25.Q2(25.10.10)

unaffected

Default status

affected

Contact Your AMD Customer Engineering Represenatative

unaffected

Default status

affected

Contact Your AMD Customer Engineering Represenatative

unaffected

References

www.amd.com/...es/product-security/bulletin/AMD-SB-6024.html

www.amd.com/...es/product-security/bulletin/AMD-SB-4013.html

cve.org (CVE-2021-26381)

nvd.nist.gov (CVE-2021-26381)

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