USN-5658-1 fixed vulnerabilities in DHCP. This update provides the corresponding updates for Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that DHCP incorrectly handled option reference counting. A remote attacker could possibly use this issue to cause DHCP servers to crash, resulting in a denial of service. (CVE-2022-2928)
It was discovered that DHCP incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause DHCP clients and servers to consume resources, leading to a denial of service. (CVE-2022-2929)
{
"binaries": [
{
"binary_name": "isc-dhcp-client-ddns",
"binary_version": "4.3.3-5ubuntu12.10+esm2"
},
{
"binary_version": "4.3.3-5ubuntu12.10+esm2",
"binary_name": "isc-dhcp-relay"
},
{
"binary_version": "4.3.3-5ubuntu12.10+esm2",
"binary_name": "isc-dhcp-client"
},
{
"binary_name": "isc-dhcp-common",
"binary_version": "4.3.3-5ubuntu12.10+esm2"
},
{
"binary_version": "4.3.3-5ubuntu12.10+esm2",
"binary_name": "isc-dhcp-server"
},
{
"binary_version": "4.3.3-5ubuntu12.10+esm2",
"binary_name": "isc-dhcp-server-ldap"
}
],
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}