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OpenAdvisories
High · 7.3 CVE-2026-77235 EUVD-2026-64013

Missing privilege check in SecureContext_FreeContext in FreeRTOS-Kernel

Published Aug 21, 2026 · Updated Aug 27, 2026 · Assigned by AMZN

Description

Missing privilege verification in the secure context cleanup handler in FreeRTOS-Kernel before 11.3.1 might allow local users to cause a use-after-free condition in secure-world memory via the SVC handler for secure context deallocation. To remediate this issue, users should upgrade to version 11.3.1 or later.

Affected products

VendorProductAffectedFixed
FreeRTOS FreeRTOS-Kernel 10.2.0 – ≤ 11.3.0 —

References