CVE-2024-28115

CVE-2024-28115 concerns FreeRTOS Kernel versions through 10.6.1, where local privilege escalation is possible via Return Oriented Programming if code injection/execution is possible. Affected are ARMv7-M MPU ports and ARMv8-M ports with MPU support enabled (configENABLE_MPU=1). The issue is fixed...

CVE-2018-16523

The CVE-2018-16523 issue affects AWS FreeRTOS up to v1.3.1 and FreeRTOS up to v10.0.1 (with FreeRTOS+TCP) and the WHIS Connect TCP/IP module, caused by a division by zero in prvCheckOptions within the TCP/IP stack. ThreatPost and related sources confirm the vulnerability exists in the FreeRTOS TC...

CVE-2021-32020

CVE-2021-32020 affects the kernel of Amazon Web Services FreeRTOS prior to 10.4.3, where insufficient bounds checking during heap memory management is the root cause. The issue is exploitable over a network with low attack complexity and no authentication, and it carries high potential impact to ...

CVE-2018-16527

The CVE-2018-16527 issue affects AWS FreeRTOS up to v1.3.1 (and FreeRTOS up to v10.0.1 with FreeRTOS+TCP) and WHIS Connect middleware; it is an information disclosure vulnerability in prvProcessICMPPacket during ICMP packet parsing. The underlying cause is in the TCP/IP stack and associated conne...

CVE-2021-43997

CVE-2021-43997 affects FreeRTOS ARMv7-M and ARMv8-M MPU ports. Versions 10.2.0–10.4.5 allow non‑kernel code to call the internal xPortRaisePrivilege function to raise privilege; versions up to 10.4.6 can enable a second‑stage privilege escalation if injected code branches inside an MPU API wrappe...

CVE-2021-31572

CVE-2021-31572 affects Amazon FreeRTOS kernel prior to 10.4.3. The issue is an integer overflow in stream_buffer.c within the stream buffer code, which can lead to memory-related issues on affected devices. The vulnerability has a high severity (CVSS v3.1 base score 9.8, network attack, no user i...

CVE-2018-16601

CVE-2018-16601 affects AWS FreeRTOS up to 1.3.1, FreeRTOS up to v10.0.1 with FreeRTOS+TCP, and the WHIS Connect TCP/IP component. A crafted IP header can trigger a full memory space copy in prvProcessIPPacket, leading to denial of service and possibly remote code execution. Public details in the ...

CVE-2018-16599

Technical details for CVE-2018-16599 are not publicly available in the provided connected documents; monitor for updates.

CVE-2018-16524

CVE-2018-16524 affects AWS FreeRTOS up to v1.3.1, FreeRTOS up to v10.0.1 (with FreeRTOS+TCP), and the WITTENSTEIN WHIS Connect TCP/IP component. It enables information disclosure during parsing of TCP options in prvCheckOptions. Impact is information exposure; remediation is to update to AWS Free...

CVE-2018-16600

CVE-2018-16600 involves an out-of-bounds memory access during ARP packet parsing in eARPProcessPacket. Affected products include AWS FreeRTOS up to 1.3.1, FreeRTOS up to v10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect TCP/IP component. The issue enables information disclosure. The provi...

CVE-2021-31571

CVE-2021-31571 affects Amazon FreeRTOS prior to 10.4.3, where an integer overflow in queue.c during queue creation can lead to memory corruption. Red Hat and CNVD entries corroborate the same vulnerability in AWS FreeRTOS. The issue is rooted in queue creation logic; the impact is memory corrupti...

CVE-2018-16526

CVE-2018-16526 affects AWS FreeRTOS up to v1.3.1, FreeRTOS up to v10.0.1 (with FreeRTOS+TCP), and the WHIS Connect TCP/IP component. The root cause is a buffer overflow during generation of a protocol checksum in two functions: usGenerateProtocolChecksum and prvProcessIPPacket , enabling remote a...

CVE-2018-16602

The CVE-2018-16602 entry concerns AWS FreeRTOS (and related FreeRTOS+TCP/OpenWHIS) through 1.3.1 and FreeRTOS up to 10.0.1 with FreeRTOS+TCP, plus WITTENSTEIN WHIS Connect middleware. The issue is an Out-of-bounds memory access during parsing of DHCP responses in prvProcessDHCPReplies, which can ...

CVE-2018-16598

The CVE-2018-16598 issue affects AWS FreeRTOS up to 1.3.1 (and FreeRTOS up to v10.0.1 with FreeRTOS+TCP) and the WHIS Connect TCP/IP component. The vulnerability is that in xProcessReceivedUDPPacket and prvParseDNSReply, any DNS response is accepted without confirming it matches a sent DNS reques...

CVE-2021-27504

CVE-2021-27504 describes an integer overflow in malloc within the TI TI-RTOS/FreeRTOS stack (TI-RTOS-MCU). When malloc is fed extremely large values, it returns a pointer to a small buffer, enabling code execution. Affected products include Texas Instruments TI-RTOS/MCU and FreeRTOS components us...

CVE-2018-16603

CVE-2018-16603 affects AWS FreeRTOS up to v1.3.1 and FreeRTOS up to v10.0.1 (with FreeRTOS+TCP), plus the WHIS Connect TCP/IP component. The issue is an out-of-bounds access in the TCP stack: processing received TCP packets can leak data by corrupting access to TCP source/destination port fields ...

CVE-2018-16525

This CVE affects AWS FreeRTOS up to 1.3.1 (and FreeRTOS up to V10.0.1 with FreeRTOS+TCP) and WITTENSTEIN WHIS Connect TCP/IP. Root cause: a Buffer Overflow during DNS/LLMNR packet parsing in prvParseDNSReply. Impact: allows remote attackers to execute arbitrary code or leak information. Affected ...

CVE-2026-77235

FreeRTOS-Kernel versions prior to 11.3.1 contain a missing privilege verification in the secure context cleanup handler (SecureContext_FreeContext). A local attacker with low privileges can trigger a use-after-free condition in secure-world memory through the SVC handler for secure context deallo...

CVE-2026-77234

FreeRTOS-Kernel before 11.3.1 contains an improper input validation flaw in timer command handling that allows an unprivileged task on MPU-enabled ports to execute code in privileged kernel context. This represents a privilege escalation from user-space to kernel-space, with high impact on confid...

CVE-2026-77237

FreeRTOS-Kernel before version 11.3.1 contains a missing queue-set type validation in the xQueueAddToSet() function. On MPU-enabled ports with configUSE_QUEUE_SETS=1 , an unprivileged task can exploit this to read privileged kernel memory , crossing the memory protection boundary. The CVSS 3.1 sc...

CVE-2026-77236

CVE-2026-77236 is a missing input validation vulnerability in the SecureContext_AllocateContext function of FreeRTOS-Kernel prior to version 11.3.1. The absence of a minimum size check on the stack size parameter allows a local attacker to trigger an out-of-bounds write that corrupts secure-world...