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CVE-2021-3543

MEDIUM CVSS: 6.7 Published: 2021-06-01 Modified: 2026-06-17

Description

A flaw null pointer dereference in the Nitro Enclaves kernel driver was found in the way that Enclaves VMs forces closures on the enclave file descriptor. A local user of a host machine could use this flaw to crash the system or escalate their privileges on the system.

Affected Platforms

Nitro Enclaves Project Nitro EnclavesFedoraproject FedoraRedhat Enterprise Linux

Weakness Type

CWE-416, CWE-416, CWE-476

References