CVEvulnerability

CVE-2021-27431

9.8 CRITICAL Published 2022-05-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-05-03
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.3 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-190

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 configurations

• arm cmsis-rtos (<= 2.1.3)

Related

Weakness · CWE (1)

  • CWE-190 Integer Overflow or Wraparound weakness

References