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.

Related CPE's

a

nitro_enclaves_project

nitro_enclaves

Vulnerable

o

redhat

enterprise_linux

8.0

Vulnerable

o

fedoraproject

fedora

34

Vulnerable

References

https://bugzilla.redhat.com/show_bug.cgi?id=1953022

Issue TrackingThird Party Advisory

https://lore.kernel.org/lkml/20210429165941.27020-2-andraprs%40amazon.com/

https://bugzilla.redhat.com/show_bug.cgi?id=1953022

Issue TrackingThird Party Advisory

https://lore.kernel.org/lkml/20210429165941.27020-2-andraprs%40amazon.com/

Weaknesses

[email protected]

Secondary
CWE-416

[email protected]

Primary
CWE-416CWE-476

CVSS impact metrics

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

6.7 · Medium

Information

Source identifier

[email protected]

Vulnerability status

Modified

Published

2021-06-01T14:15:10.407Z

5 years ago

Last modified

2026-06-17T04:05:19.130Z

2 months ago