CVE-2021-3543

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.
Configurations

Configuration 1 (hide)

cpe:2.3:a:nitro_enclaves_project:nitro_enclaves:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

History

21 Nov 2024, 06:21

Type Values Removed Values Added
References () https://bugzilla.redhat.com/show_bug.cgi?id=1953022 - Issue Tracking, Third Party Advisory () https://bugzilla.redhat.com/show_bug.cgi?id=1953022 - Issue Tracking, Third Party Advisory
References () https://lore.kernel.org/lkml/20210429165941.27020-2-andraprs%40amazon.com/ - () https://lore.kernel.org/lkml/20210429165941.27020-2-andraprs%40amazon.com/ -

07 Nov 2023, 03:38

Type Values Removed Values Added
References
  • {'url': 'https://lore.kernel.org/lkml/20210429165941.27020-2-andraprs@amazon.com/', 'name': 'https://lore.kernel.org/lkml/20210429165941.27020-2-andraprs@amazon.com/', 'tags': ['Patch', 'Vendor Advisory'], 'refsource': 'MISC'}
  • () https://lore.kernel.org/lkml/20210429165941.27020-2-andraprs%40amazon.com/ -

Information

Published : 2021-06-01 14:15

Updated : 2024-11-21 06:21


NVD link : CVE-2021-3543

Mitre link : CVE-2021-3543

CVE.ORG link : CVE-2021-3543


JSON object : View

Products Affected

nitro_enclaves_project

  • nitro_enclaves

fedoraproject

  • fedora

redhat

  • enterprise_linux
CWE
CWE-416

Use After Free

CWE-476

NULL Pointer Dereference