CVE-2021-22636

High

Description

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.

SeverityHigh
CVSS7.4
Exploit probability—
ProductReal-time Operating System
PublishedNov 20, 2023
First seenNov 20, 2023

How to fix

Update
  • ti simplelink_cc13xx_software_development_kit4.40.00 or later
  • ti simplelink_cc26xx_software_development_kit4.40.00 or later
  • ti simplelink_cc32xx_software_development_kit4.10.03 or later

Affected products

ProductAffected versionsFixed in
ti real-time_operating_systemNo range specified—
ti simplelink_cc13xx_software_development_kitv < 4.40.004.40.00
ti simplelink_cc26xx_software_development_kitv < 4.40.004.40.00
ti simplelink_cc32xx_software_development_kitv < 4.10.034.10.03
ti simplelink_msp432e401yNo range specified—
ti simplelink_msp432e411yNo range specified—

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