CVE-2026-79979 | Zephyr Project up to 4.4.x MMU Backend arch/arm64/core/mmu.c invalidate_tlb_page privileges management

October 23, 2026 Yanac

A vulnerability described as very critical has been identified in Zephyr Project Zephyr up to 4.4.x. Affected is the function invalidate_tlb_page of the file arch/arm64/core/mmu.c of the component MMU Backend. The manipulation results in improper privilege management.

This vulnerability was named CVE-2026-79979. The attack needs to be approached locally. There is no available exploit.

Upgrading the affected component is recommended.VulDB Recent EntriesRead More