Medium severity6.7NVD Advisory· Published Jun 1, 2021· Updated Jun 17, 2026
CVE-2021-3543
CVE-2021-3543
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6- cpe:2.3:a:nitro_enclaves_project:nitro_enclaves:*:*:*:*:*:*:*:*Range: <5.10.0
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- Nitro Enclaves/Nitro Enclaves kernel driverdescription
Patches
Vulnerability mechanics
References
2- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- lore.kernel.org/lkml/20210429165941.27020-2-andraprs%40amazon.com/nvd
News mentions
0No linked articles in our index yet.