BlueZ is a Bluetooth protocol stack for Linux. In affected versions a vulnerability exists in sdpcstatealloc_buf which allocates memory which will always be hung in the singly linked list of cstates and will not be freed. This will cause a memory leak over time. The data can be a very large object, which can be caused by an attacker continuously sending sdp packets and this may cause the service of the target device to crash.
{
"binaries": [
{
"binary_name": "bluetooth",
"binary_version": "5.37-0ubuntu5.3+esm5"
},
{
"binary_name": "bluez",
"binary_version": "5.37-0ubuntu5.3+esm5"
},
{
"binary_name": "bluez-cups",
"binary_version": "5.37-0ubuntu5.3+esm5"
},
{
"binary_name": "bluez-hcidump",
"binary_version": "5.37-0ubuntu5.3+esm5"
},
{
"binary_name": "bluez-obexd",
"binary_version": "5.37-0ubuntu5.3+esm5"
},
{
"binary_name": "bluez-tests",
"binary_version": "5.37-0ubuntu5.3+esm5"
},
{
"binary_name": "libbluetooth-dev",
"binary_version": "5.37-0ubuntu5.3+esm5"
},
{
"binary_name": "libbluetooth3",
"binary_version": "5.37-0ubuntu5.3+esm5"
}
]
}
{
"binaries": [
{
"binary_name": "bluetooth",
"binary_version": "5.48-0ubuntu3.6"
},
{
"binary_name": "bluez",
"binary_version": "5.48-0ubuntu3.6"
},
{
"binary_name": "bluez-cups",
"binary_version": "5.48-0ubuntu3.6"
},
{
"binary_name": "bluez-hcidump",
"binary_version": "5.48-0ubuntu3.6"
},
{
"binary_name": "bluez-obexd",
"binary_version": "5.48-0ubuntu3.6"
},
{
"binary_name": "bluez-tests",
"binary_version": "5.48-0ubuntu3.6"
},
{
"binary_name": "libbluetooth-dev",
"binary_version": "5.48-0ubuntu3.6"
},
{
"binary_name": "libbluetooth3",
"binary_version": "5.48-0ubuntu3.6"
}
],
"availability": "No subscription required"
}
{
"binaries": [
{
"binary_name": "bluetooth",
"binary_version": "5.53-0ubuntu3.4"
},
{
"binary_name": "bluez",
"binary_version": "5.53-0ubuntu3.4"
},
{
"binary_name": "bluez-cups",
"binary_version": "5.53-0ubuntu3.4"
},
{
"binary_name": "bluez-hcidump",
"binary_version": "5.53-0ubuntu3.4"
},
{
"binary_name": "bluez-obexd",
"binary_version": "5.53-0ubuntu3.4"
},
{
"binary_name": "bluez-tests",
"binary_version": "5.53-0ubuntu3.4"
},
{
"binary_name": "libbluetooth-dev",
"binary_version": "5.53-0ubuntu3.4"
},
{
"binary_name": "libbluetooth3",
"binary_version": "5.53-0ubuntu3.4"
}
],
"availability": "No subscription required"
}
{
"binaries": [
{
"binary_name": "bluetooth",
"binary_version": "5.62-0ubuntu2"
},
{
"binary_name": "bluez",
"binary_version": "5.62-0ubuntu2"
},
{
"binary_name": "bluez-cups",
"binary_version": "5.62-0ubuntu2"
},
{
"binary_name": "bluez-hcidump",
"binary_version": "5.62-0ubuntu2"
},
{
"binary_name": "bluez-meshd",
"binary_version": "5.62-0ubuntu2"
},
{
"binary_name": "bluez-obexd",
"binary_version": "5.62-0ubuntu2"
},
{
"binary_name": "bluez-tests",
"binary_version": "5.62-0ubuntu2"
},
{
"binary_name": "libbluetooth-dev",
"binary_version": "5.62-0ubuntu2"
},
{
"binary_name": "libbluetooth3",
"binary_version": "5.62-0ubuntu2"
}
],
"availability": "No subscription required"
}