Existing CommBuffer checks in SmmEntryPoint will not catch underflow when computing BufferSize.
{ "ubuntu_priority": "medium", "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "binaries": [ { "binary_name": "ovmf", "binary_version": "0~20160408.ffea0a2c-2ubuntu0.2+esm3" }, { "binary_name": "qemu-efi", "binary_version": "0~20160408.ffea0a2c-2ubuntu0.2+esm3" } ] }
{ "ubuntu_priority": "medium", "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "binaries": [ { "binary_name": "ovmf", "binary_version": "0~20180205.c0d9813c-2ubuntu0.3+esm2" }, { "binary_name": "qemu-efi", "binary_version": "0~20180205.c0d9813c-2ubuntu0.3+esm2" }, { "binary_name": "qemu-efi-aarch64", "binary_version": "0~20180205.c0d9813c-2ubuntu0.3+esm2" }, { "binary_name": "qemu-efi-arm", "binary_version": "0~20180205.c0d9813c-2ubuntu0.3+esm2" } ] }
{ "ubuntu_priority": "medium", "availability": "No subscription required", "binaries": [ { "binary_name": "ovmf", "binary_version": "0~20191122.bd85bf54-2ubuntu3.6" }, { "binary_name": "qemu-efi", "binary_version": "0~20191122.bd85bf54-2ubuntu3.6" }, { "binary_name": "qemu-efi-aarch64", "binary_version": "0~20191122.bd85bf54-2ubuntu3.6" }, { "binary_name": "qemu-efi-arm", "binary_version": "0~20191122.bd85bf54-2ubuntu3.6" } ] }
{ "ubuntu_priority": "medium", "availability": "No subscription required", "binaries": [ { "binary_name": "ovmf", "binary_version": "2022.02-3ubuntu0.22.04.3" }, { "binary_name": "ovmf-ia32", "binary_version": "2022.02-3ubuntu0.22.04.3" }, { "binary_name": "qemu-efi", "binary_version": "2022.02-3ubuntu0.22.04.3" }, { "binary_name": "qemu-efi-aarch64", "binary_version": "2022.02-3ubuntu0.22.04.3" }, { "binary_name": "qemu-efi-arm", "binary_version": "2022.02-3ubuntu0.22.04.3" } ] }