CVE-2021-43997

FreeRTOS versions 10.2.0 through 10.4.5 do not prevent non-kernel code from calling the xPortRaisePrivilege internal function to raise privilege. FreeRTOS versions through 10.4.6 do not prevent a third party that has already independently gained the ability to execute injected code to achieve further privilege escalation by branching directly inside a FreeRTOS MPU API wrapper function with a manually crafted stack frame. These issues affect ARMv7-M MPU ports, and ARMv8-M ports with MPU support enabled (i.e. configENABLE_MPU set to 1). These are fixed in V10.5.0 and in V10.4.3-LTS Patch 3.
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Configurations

Configuration 1 (hide)

OR cpe:2.3:o:amazon:freertos:10.4.3:patch1:*:*:lts:*:*:*
cpe:2.3:o:amazon:freertos:*:*:*:*:-:*:*:*

Information

Published : 2021-11-17 13:15

Updated : 2022-10-11 17:15


NVD link : CVE-2021-43997

Mitre link : CVE-2021-43997


JSON object : View

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Products Affected

amazon

  • freertos