CVE-2021-3543 describes a null pointer dereference vulnerability in the Nitro Enclaves kernel driver, impacting Fedora and Red Hat Enterprise Linux systems utilizing Nitro Enclaves. This flaw allows a local, highly privileged user on the host machine to crash the system or escalate their privileges. With a CVSS score of 6.7 (Medium), it requires local access and high privileges but has a high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.10.0CPE matchmatch criteria | cpe:2.3:a:nitro_enclaves_project:nitro_enclaves:*:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | ||
34CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.