CVE-2021-27411 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00212.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Silabs	Micrium Os

Configuration 1 [-]

cpe:2.3:o:silabs:micrium_os:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
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.

Fixes

Solution

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

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
https://www.silabs.com/developers/micrium-os

History

Wed, 16 Apr 2025 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2022-05-03T20:18:42.000Z

Updated: 2025-04-16T16:25:25.119Z

Reserved: 2021-02-19T00:00:00.000Z

Link: CVE-2021-27411

Vulnrichment

Updated: 2024-08-03T20:48:16.892Z

NVD

Status : Modified

Published: 2022-05-03T21:15:08.117

Modified: 2024-11-21T05:57:56.260

Link: CVE-2021-27411

Redhat

No data.

OpenCVE Enrichment

No data.

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