CVE-2021-43997

Amazon FreeRTOS 10.2.0 through 10.4.5 on the ARMv7-M and ARMv8-M MPU platforms does not prevent non-kernel code from calling the xPortRaisePrivilege and vPortResetPrivilege internal functions. This is fixed in 10.4.6 and in 10.4.3-LTS Patch 2.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.6	Release Notes Third Party Advisory
https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.3-LTS-Patch-2	Release Notes Third Party Advisory

Configurations

Configuration 1 (hide)

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

Information

Published : 2021-11-17 21:15

Updated : 2021-11-23 16:03

NVD link : CVE-2021-43997

Mitre link : CVE-2021-43997

JSON object : View

Products Affected

amazon

freertos

CWE

NVD-CWE-noinfo

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