Christian Moch and Michael Gruhn discovered that the libblkid library of util-linux did not properly manage memory under certain circumstances. A local attacker could possibly use this issue to cause denial of service by consuming all memory through a specially crafted MSDOS partition table.
{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "bsdutils",
"binary_version": "1:2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "libblkid-dev",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "libblkid1",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "libfdisk-dev",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "libfdisk1",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "libmount-dev",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "libmount1",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "libsmartcols-dev",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "libsmartcols1",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "libuuid1",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "mount",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "util-linux",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "util-linux-locales",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "uuid-dev",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
},
{
"binary_name": "uuid-runtime",
"binary_version": "2.27.1-6ubuntu3.10+esm2"
}
]
}
{
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"cves": [
{
"id": "CVE-2016-5011",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
}
]
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5478-1.json"