CVE-2021-27431
ARM CMSIS RTOS2 Integer Overflow or Wraparound
- State
- Published
- Severity
- 7.3 High
- Published
- May 3, 2022
- Updated
- Apr 16, 2025
- Reserved
- Feb 19, 2021
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.3 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L | icscert |
Weaknesses
- CWE-190 Integer Overflow or Wraparound
Affected Products
| Product | Versions |
|---|---|
CMSIS RTOS2ARM |
|
References
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