A null pointer dereference in the Nitro Enclaves Linux 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.
A null pointer dereference in the Nitro Enclaves Linux 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.
https://bugzilla.redhat.com/show_bug.cgi?id=1953022 https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.12.3&id=3494c68d79cbb7ddff88fd35e0796343ef736606 https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.11.20&id=5f4a8ccfc15c1498d897139e5dbff82a35005144 https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.36&id=ed9cfd60c7875b0597e672e89c0bad09a88307d2