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7.3 High

CVE-2021-27431 ARM CMSIS RTOS2 versions prior to 2.1.3 are vulnerable to integer wrap-around inosRtxMemoryAlloc (local malloc…

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.

Affected products and versions

Product Affected versions Fixed in
CMSIS RTOS2 2.1 earliest → < 2.1.3 2.1.3

References

Timeline

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