Unrated severityNVD Advisory· Published May 3, 2022· Updated Apr 16, 2025
ARM CMSIS RTOS2 Integer Overflow or Wraparound
CVE-2021-27431
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
2<2.1.3+ 1 more
- (no CPE)range: <2.1.3
- (no CPE)range: unspecified
Patches
Vulnerability mechanics
References
1- www.cisa.gov/uscert/ics/advisories/icsa-21-119-04mitrex_refsource_CONFIRM
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