CVE-2021-27504 - CVE House
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Status published High CVE-2021-27504

Texas Instruments FREERTOS Integer Overflow or Wraparound

Vulnerability Description

Texas Instruments devices running FREERTOS, malloc returns a valid pointer to a small buffer on extremely large values, which can trigger an integer overflow vulnerability in 'malloc' for FreeRTOS, resulting in code execution.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • David Atch, Omri Ben Bassat, and Tamir Ariel from Microsoft Section 52, and the Azure Defender for IoT research group reported these vulnerabilities to CISA.

Affected Vendor

Texas Instruments

View all reports →

Affected Software

CC32XX, SimpleLink MSP432E4XX, SimpleLink-CC13XX, SimpleLink-CC26XX, SimpleLink-CC32XX
Vulnerable Versions:
0, all versions

Timeline

Official Publish: November 21st, 2023
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)