Issue with FreeRTOS-Kernel - CVE-2026-77234, CVE-2026-77235, CVE-2026-77236, CVE-2026-77237

Bulletin ID: 2026-086-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 08/21/2026 10:30 AM PDT Description: FreeRTOS-Kernel is a real-time operating system kernel for microcontrollers and small microprocessors. AWS identified four issues with FreeRTOS-Kernel, affecting multiple versions. - CVE-2026-77234: This issue affects configurations that use the FreeRTOS MPU together with software timers; applications that do not use the FreeRTOS MPU are not affected. - CVE-2026-77235: This issue affects ARM TrustZone (ARMv8-M) configurations; applications that do not use ...