A type mismatch vulnerability was found in QEMU's vhost inflight migration VMState handling. The destination buffer size is stored as a uint64_t but read by the VMS_VBUFFER load path as a signed int32_t. On little-endian hosts, a crafted incoming migration state with bit 31 set causes the value to be interpreted as negative and then implicitly converted to a very large size_t, leading qemu_get_buffer() to copy migration-stream data beyond the bounds of the mmap-backed inflight region. This can result in a crash of the QEMU process or memory corruption. Exploitation requires control of the migration producer or write access to the migration channel, combined with a destination configured to use vhost inflight migration.
{
"binaries": [
{
"binary_name": "qemu",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-block-extra",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-system",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-system-common",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-system-data",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-system-gui",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-system-s390x",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-system-x86-microvm",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-system-x86-xen",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-user",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-user-binfmt",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-user-static",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
},
{
"binary_name": "qemu-utils",
"binary_version": "1:6.2+dfsg-2ubuntu6.31"
}
]
}{
"binaries": [
{
"binary_name": "qemu-block-extra",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-block-supplemental",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-common",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-data",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-gui",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-modules-opengl",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-modules-spice",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-s390x",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-x86-xen",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-system-xen",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-user",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-user-binfmt",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-user-static",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
},
{
"binary_name": "qemu-utils",
"binary_version": "1:8.2.2+ds-0ubuntu1.18"
}
]
}{
"binaries": [
{
"binary_name": "qemu-block-extra",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-block-supplemental",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-common",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-data",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-gui",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-modules-opengl",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-modules-spice",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-riscv",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-s390x",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-x86-xen",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-system-xen",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-user",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-user-binfmt",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "qemu-utils",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
},
{
"binary_name": "ubuntu-virt",
"binary_version": "1:10.2.1+ds-1ubuntu3.2"
}
]
}{
"binaries": [
{
"binary_name": "qemu-block-extra-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-block-supplemental-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-guest-agent-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-arm-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-common-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-data-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-gui-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-mips-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-misc-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-modules-opengl-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-modules-spice-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-ppc-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-riscv-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-s390x-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-sparc-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-x86-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-x86-xen-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-system-xen-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-user-binfmt-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-user-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "qemu-utils-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "ubuntu-helper-virt-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
},
{
"binary_name": "ubuntu-virt-hwe",
"binary_version": "1:10.2.1+ds-1ubuntu4.3"
}
]
}{
"binaries": [
{
"binary_name": "qemu",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-common",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-keymaps",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-kvm",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-system",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-system-aarch64",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-system-common",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-user",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-user-static",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
},
{
"binary_name": "qemu-utils",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm6"
}
]
}{
"binaries": [
{
"binary_name": "qemu",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-block-extra",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-kvm",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-system",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-system-aarch64",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-system-common",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-system-s390x",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-user",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-user-binfmt",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-user-static",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
},
{
"binary_name": "qemu-utils",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm4"
}
]
}{
"binaries": [
{
"binary_name": "qemu",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-block-extra",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-kvm",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-system",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-system-common",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-system-s390x",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-user",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-user-binfmt",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-user-static",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
},
{
"binary_name": "qemu-utils",
"binary_version": "1:2.11+dfsg-1ubuntu7.42+esm6"
}
]
}{
"binaries": [
{
"binary_name": "qemu",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-block-extra",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-kvm",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-system",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-system-common",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-system-data",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-system-gui",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-system-s390x",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-system-x86-microvm",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-system-x86-xen",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-user",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-user-binfmt",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-user-static",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
},
{
"binary_name": "qemu-utils",
"binary_version": "1:4.2-3ubuntu6.30+esm3"
}
]
}