AZL-6556 CVE-2021-30178 affecting package kernel for versions less than 5.10.78.1-1

An issue was discovered in the Linux kernel through 5.11.11. synicget in arch/x86/kvm/hyperv.c has a NULL pointer dereference for certain accesses to the SynIC Hyper-V context, aka CID-919f4ebc5987...