medium6.7
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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nitro Enclaves Project | Nitro Enclaves | before 5.10.0 |
| Redhat | Enterprise Linux | Version 8.0 |
| Fedoraproject | Fedora | Version 34 |