https://borystsyrulnikov.dev/ Borys Tsyrulnikov examines hardware attestation, confidential computing SDKs, TEE quote verifiers, and enclave tools. en https://borystsyrulnikov.dev/posts/tdx-guest-l2-vm-bugs/ https://borystsyrulnikov.dev/posts/tdx-guest-l2-vm-bugs/ Mon, 17 Aug 2026 00:00:00 +0000 A discarded RCX value and an inverted bitmap check in Intel's tdx-guest Rust crate. CVE-2026-20763 and CVE-2026-20765.