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CVE-2021-3543

CVE-2021-3543

EPSS 0.3%CWE-416
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
n/a · kernel

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References
https://bugzilla.redhat.com/show_bug.cgi?id=1953022https://lore.kernel.org/lkml/20210429165941.27020-2-andraprs%40amazon.com/