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CVE-2021-3543

CVSS v3.1 6.7 (Medium)
67% Progress
CVSS v2.0 7.2 (High)
72% Progress
EPSS 0.04 % (5th)
0.04% Progress
Affected Products 3
Advisories 8
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

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.

Weaknesses
CWE-416
Use After Free
CWE-476
NULL Pointer Dereference
CVE Status
PUBLISHED
CNA
Red Hat, Inc.
Published Date
2021-06-01 14:15:10
(3 years ago)
Updated Date
2023-11-07 03:38:06
(10 months ago)

Affected Products

Fedoraproject

Nitro Enclaves Project

Redhat

Configuration #1

    CPE23 From Up To
  Nitro Enclaves Project Nitro Enclaves prior 5.10.0 version cpe:2.3:a:nitro_enclaves_project:nitro_enclaves < 5.10.0

Configuration #2

    CPE23 From Up To
  Redhat Enterprise Linux 8.0 cpe:2.3:o:redhat:enterprise_linux:8.0

Configuration #3

    CPE23 From Up To
  Fedoraproject Fedora 34 cpe:2.3:o:fedoraproject:fedora:34