USN-5013-2

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/notices/USN-5013-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5013-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5013-2
Upstream
Related
Published
2021-07-20T17:36:52.039732Z
Modified
2025-10-13T04:35:34Z
Summary
systemd vulnerabilities
Details

USN-5013-1 fixed several vulnerabilities in systemd. This update provides the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that systemd incorrectly handled certain mount paths. A local attacker could possibly use this issue to cause systemd to crash, resulting in a denial of service. (CVE-2021-33910)

Mitchell Frank discovered that systemd incorrectly handled DHCP FORCERENEW packets. A remote attacker could possibly use this issue to reconfigure servers. (CVE-2020-13529)

References

Affected packages

Ubuntu:Pro:16.04:LTS / systemd

Package

Name
systemd
Purl
pkg:deb/ubuntu/systemd@229-4ubuntu21.31+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
229-4ubuntu21.31+esm1

Affected versions

Other

225-1ubuntu9
227-2ubuntu1
227-2ubuntu2
228-1ubuntu2
228-2ubuntu1
228-2ubuntu2
228-3ubuntu1
228-4ubuntu1
228-4ubuntu2
228-5ubuntu1
228-5ubuntu2
228-5ubuntu3
228-6ubuntu1
229-1ubuntu2
229-1ubuntu4
229-2ubuntu1
229-3ubuntu1
229-3ubuntu2
229-4ubuntu1
229-4ubuntu4
229-4ubuntu5
229-4ubuntu6
229-4ubuntu7
229-4ubuntu8
229-4ubuntu10
229-4ubuntu11
229-4ubuntu12
229-4ubuntu13
229-4ubuntu16
229-4ubuntu17
229-4ubuntu19
229-4ubuntu20
229-4ubuntu21

229-4ubuntu21.*

229-4ubuntu21.1
229-4ubuntu21.2
229-4ubuntu21.3
229-4ubuntu21.4
229-4ubuntu21.5
229-4ubuntu21.6
229-4ubuntu21.8
229-4ubuntu21.9
229-4ubuntu21.10
229-4ubuntu21.15
229-4ubuntu21.16
229-4ubuntu21.17
229-4ubuntu21.19
229-4ubuntu21.21
229-4ubuntu21.22
229-4ubuntu21.23
229-4ubuntu21.27
229-4ubuntu21.28
229-4ubuntu21.29
229-4ubuntu21.31

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "libnss-myhostname",
            "binary_version": "229-4ubuntu21.31+esm1"
        },
        {
            "binary_name": "libnss-mymachines",
            "binary_version": "229-4ubuntu21.31+esm1"
        },
        {
            "binary_name": "libnss-resolve",
            "binary_version": "229-4ubuntu21.31+esm1"
        },
        {
            "binary_name": "libpam-systemd",
            "binary_version": "229-4ubuntu21.31+esm1"
        },
        {
            "binary_name": "libsystemd-dev",
            "binary_version": "229-4ubuntu21.31+esm1"
        },
        {
            "binary_name": "libsystemd0",
            "binary_version": "229-4ubuntu21.31+esm1"
        },
        {
            "binary_name": "libudev-dev",
            "binary_version": "229-4ubuntu21.31+esm1"
        },
        {
            "binary_name": "libudev1",
            "binary_version": "229-4ubuntu21.31+esm1"
        },
        {
            "binary_name": "systemd",
            "binary_version": "229-4ubuntu21.31+esm1"
        },
        {
            "binary_name": "systemd-container",
            "binary_version": "229-4ubuntu21.31+esm1"
        },
        {
            "binary_name": "systemd-coredump",
            "binary_version": "229-4ubuntu21.31+esm1"
        },
        {
            "binary_name": "systemd-journal-remote",
            "binary_version": "229-4ubuntu21.31+esm1"
        },
        {
            "binary_name": "systemd-sysv",
            "binary_version": "229-4ubuntu21.31+esm1"
        },
        {
            "binary_name": "udev",
            "binary_version": "229-4ubuntu21.31+esm1"
        }
    ]
}

Database specific 

{
    "cves_map": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "cves": [
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "low"
                    }
                ],
                "id": "CVE-2020-13529"
            },
            {
                "severity": [
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                    },
                    {
                        "type": "CVSS_V3",
                        "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
                    },
                    {
                        "type": "Ubuntu",
                        "score": "high"
                    }
                ],
                "id": "CVE-2021-33910"
            }
        ]
    }
}