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.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 6.7 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | 0.8 | 5.9 |
CVSS 2.0
Severity: HIGH
Problem Type: CWE-416,CWE-416,CWE-476,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| nitro_enclaves_project | nitro_enclaves | * |
| redhat | enterprise_linux | 8.0 |
| fedoraproject | fedora | 34 |