CVE-2021-43997
highPriorität · verfolgen · 31EPSS 0.003 · 27. PerzentilDEEUUSEPSS · bewertet 2026-10-28
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.
cvss
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Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen
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betroffene Produkte (18)
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Advisories (2)
Hersteller- und Ökosystem-Meldungen dazu.
- SCA-2024-0004Third party vulnerabilities in SICK CDE-1002024-11-07csaf · sick_psirtDE
The SICK CDE-100 uses the open-source libraries FreeRTOS, lwIP and MCU Boot. The used libraries contain vulnerabilities that affect the SICK CDE-100.
- SCA-2025-0003FreeRTOS Vulnerabilities have no impact on SICK Products2025-02-28csaf · sick_psirtDE
FreeRTOS has several known vulnerabilities and is used in various SICK products. A current analysis confirms that the identified vulnerabilities in FreeRTOS do not affect the mentioned SICK products. At this time, there is no indication of any potential risks to these SICK products.
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quellen
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Referenzen (13)
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.3-LTS-Patch-2cnnvd
- https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.3-LTS-Patch-3cnnvd
- https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.6cnnvd
- https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.5.0cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-43997cnnvd
- https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.3-LTS-Patch-2enisa_euvd
- https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.3-LTS-Patch-3enisa_euvd
- https://github.com/FreeRTOS/FreeRTOS-Kernel/releases/tag/V10.4.6enisa_euvd
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