In the Linux kernel before 6.6.7, an untrusted VMM can trigger int80 syscall handling at any given point. This is related to arch/x86/coco/tdx/tdx.c and arch/x86/mm/mem_encrypt_amd.c. CREATE(Triage):(User=admin) CVE-2024-25744 (https://nvd.nist.gov/vuln/detail/CVE-2024-25744)