CVE-2021-3543

State: Published
Severity: Not scored
Published: Jun 1, 2021
Updated: Aug 3, 2024
Reserved: May 10, 2021

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.

Scores

The record has no CVSS score.

Weaknesses

CWE-416 (CWE-416|CWE-476)

Affected Products

Product	Versions
kerneln/a	kernel 4.18.0Affected

References

https://bugzilla.redhat.com/show_bug.cgi?id=1953022
https://lore.kernel.org/lkml/20210429165941.27020-2-andraprs%40amazon.com/

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