CVE-2021-22636 HIGH

CVE-2021-22636: Texas Instruments TI-RTOS Integer Overflow or Wraparound

Vendor Texas Instruments
Product CC32XX
Weakness CWE-190
Published November 20, 2023
Last update August 3, 2024

CVSS base score

7.4/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Texas Instruments TI-RTOS, when configured to use HeapMem heap(default), malloc returns a valid pointer to a small buffer on extremely large values, which can trigger an integer overflow vulnerability in 'HeapMem_allocUnprotected' and result in code execution.

Key dates

02Disclosure timeline

November 20, 2023 CVE published
August 3, 2024 Record updated