Missing queue-set type validation in xQueueAddToSet() in the FreeRTOS-Kernel before 11.3.1 might allow an unprivileged task on MPU-enabled ports with configUSE_QUEUE_SETS=1 to read privileged kernel memory. To remediate this issue, users should upgrade to version 11.3.1 or later.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 2
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Freertos Freertos-Kernel
cpe:2.3:a:freertos:freertos-kernel:*:*:*:*:*:*:*:*
|
7.4.0
|
<= 11.3.0
|
|
Amazon Freertos
cpe:2.3:o:amazon:freertos:*:*:*:*:*:*:*:*
|
7.4.0
|
11.3.1
|
References 4
https://aws.amazon.com/security/security-bulletins/2026-086-aws/
ff89ba41-3aa1-4d27-914a-91399e9639e5
https://github.com/FreeRTOS/FreeRTOS-Kernel/tree/11.3.1
ff89ba41-3aa1-4d27-914a-91399e9639e5
https://github.com/FreeRTOS/FreeRTOS-Kernel/security/advisories/GHSA-9wvc-hqvx-…
ff89ba41-3aa1-4d27-914a-91399e9639e5
https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V11.3.1
ff89ba41-3aa1-4d27-914a-91399e9639e5