A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrltransferhandler() in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest system. A privileged guest user could use this flaw to crash the QEMU process on the host resulting in DoS scenario, or potential information leakage from the host memory.
{
"binaries": [
{
"binary_name": "qemu",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-common",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-keymaps",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-kvm",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-system",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-system-aarch64",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-system-common",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-user",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-user-static",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
},
{
"binary_name": "qemu-utils",
"binary_version": "2.0.0+dfsg-2ubuntu1.47+esm4"
}
]
}
{
"binaries": [
{
"binary_name": "qemu",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-block-extra",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-kvm",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-system",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-system-aarch64",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-system-common",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-system-s390x",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-user",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-user-binfmt",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-user-static",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
},
{
"binary_name": "qemu-utils",
"binary_version": "1:2.5+dfsg-5ubuntu10.51+esm3"
}
]
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "qemu",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-block-extra",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-kvm",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-system",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-system-common",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-system-s390x",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-user",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-user-binfmt",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-user-static",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
},
{
"binary_name": "qemu-utils",
"binary_version": "1:2.11+dfsg-1ubuntu7.40"
}
]
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "qemu",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-block-extra",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-kvm",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-system",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-system-common",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-system-data",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-system-gui",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-system-s390x",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-system-x86-microvm",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-system-x86-xen",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-user",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-user-binfmt",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-user-static",
"binary_version": "1:4.2-3ubuntu6.23"
},
{
"binary_name": "qemu-utils",
"binary_version": "1:4.2-3ubuntu6.23"
}
]
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "qemu",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-block-extra",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-guest-agent",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-system",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-system-arm",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-system-common",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-system-data",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-system-gui",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-system-mips",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-system-misc",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-system-ppc",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-system-s390x",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-system-sparc",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-system-x86",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-system-x86-microvm",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-system-x86-xen",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-user",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-user-binfmt",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-user-static",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
},
{
"binary_name": "qemu-utils",
"binary_version": "1:6.2+dfsg-2ubuntu6.2"
}
]
}