CVE-2021-27411

Micrium OS Integer Overflow or Wraparound

Published May 3, 2022 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Micrium OS Versions 5.10.1 and prior are vulnerable to integer wrap-around in functions Mem_DynPoolCreate, Mem_DynPoolCreateHW and Mem_PoolCreate. This unverified memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as very small blocks of memory being allocated instead of very large ones.

Remediation

Vendor Solution

Update Micrium OS to v5.10.2 or later – Update available

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-14165 Micrium OS Versions 5.10.1 and prior are vulnerable to integer wrap-around in functions Mem_DynPoolCreate, Mem_DynPoolCreateHW and Mem_PoolCreate. This unverified memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as very small blocks of memory being allocated instead of very large ones.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Apr 16, 2025, 4:25 PM
Reserved
Feb 19, 2021, 12:00 AM
Status
Modified
Published
May 3, 2022, 9:15 PM
Modified
Jun 17, 2026, 3:44 AM