CVE-2021-27431

High

Description

ARM CMSIS RTOS2 versions prior to 2.1.3 are vulnerable to integer wrap-around inosRtxMemoryAlloc (local malloc equivalent) function, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or injected code execution.

SeverityHigh
CVSS7.3
Exploit probability—
ProductArm Cmsis-rtos
PublishedMay 3, 2022
First seenMay 3, 2022

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
arm cmsis-rtosv ≤ 2.1.3—

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