CVE-2021-3543
kernel: nitro_enclaves stale file descriptors on failed usercopy
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 3.1 · 6.7 Medium
EPSS < 1%
KEV · Not listed
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