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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.
Base Score: 7.2
Impact Score: 10
Exploitability Score: 3.9
Base Score: 6.7
Impact Score: 5.9
Exploitability Score: 0.8
|153127||Ubuntu 21.04 : Linux kernel (KVM) vulnerabilities (USN-4997-2)||Nessus||Ubuntu Local Security Checks|
|150955||Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-5001-1)||Nessus||Ubuntu Local Security Checks|
|150953||Ubuntu 21.04 : Linux kernel vulnerabilities (USN-4997-1)||Nessus||Ubuntu Local Security Checks|
|150295||RHEL 8 : kernel (RHSA-2021:2168)||Nessus||Red Hat Local Security Checks|
|150289||RHEL 8 : kernel-rt (RHSA-2021:2169)||Nessus||Red Hat Local Security Checks|
|150145||Oracle Linux 8 : kernel (ELSA-2021-2168)||Nessus||Oracle Linux Local Security Checks|