UBUNTU-CVE-2021-3997

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Source

https://ubuntu.com/security/CVE-2021-3997

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-3997.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-3997

Related

Published

2022-01-10T00:00:00Z

Modified

2024-12-18T16:35:15Z

Severity

5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator

Summary

[none]

Details

A flaw was found in systemd. An uncontrolled recursion in systemd-tmpfiles may lead to a denial of service at boot time when too many nested directories are created in /tmp.

References

Affected packages

Ubuntu:Pro:14.04:LTS / systemd

Package

Name: systemd
Purl: pkg:deb/ubuntu/systemd?arch=src?distro=esm-infra-legacy/trusty

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

Other

204-0ubuntu18

204-0ubuntu19

204-5ubuntu3

204-5ubuntu5

204-5ubuntu6

204-5ubuntu7

204-5ubuntu8

204-5ubuntu9

204-5ubuntu10

204-5ubuntu11

204-5ubuntu13

204-5ubuntu14

204-5ubuntu15

204-5ubuntu16

204-5ubuntu17

204-5ubuntu18

204-5ubuntu19

204-5ubuntu20

204-5ubuntu20.*

204-5ubuntu20.2

204-5ubuntu20.3

204-5ubuntu20.4

204-5ubuntu20.5

204-5ubuntu20.6

204-5ubuntu20.7

204-5ubuntu20.8

204-5ubuntu20.9

204-5ubuntu20.10

204-5ubuntu20.11

204-5ubuntu20.12

204-5ubuntu20.13

204-5ubuntu20.14

204-5ubuntu20.15

204-5ubuntu20.18

204-5ubuntu20.19

204-5ubuntu20.20

204-5ubuntu20.21

204-5ubuntu20.22

204-5ubuntu20.24

204-5ubuntu20.25

204-5ubuntu20.26

204-5ubuntu20.28

204-5ubuntu20.29

204-5ubuntu20.31

204-5ubuntu20.31+esm2

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:16.04:LTS / systemd

Package

Name: systemd
Purl: pkg:deb/ubuntu/systemd?arch=src?distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

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

229-4ubuntu21.31+esm1

229-4ubuntu21.31+esm3

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:Pro:18.04:LTS / systemd

Package

Name: systemd
Purl: pkg:deb/ubuntu/systemd?arch=src?distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

Other

234-2ubuntu12

235-2ubuntu3

235-3ubuntu2

235-3ubuntu3

237-3ubuntu3

237-3ubuntu4

237-3ubuntu6

237-3ubuntu7

237-3ubuntu8

237-3ubuntu10

237-3ubuntu10.*

237-3ubuntu10.2

237-3ubuntu10.3

237-3ubuntu10.4

237-3ubuntu10.6

237-3ubuntu10.9

237-3ubuntu10.11

237-3ubuntu10.12

237-3ubuntu10.13

237-3ubuntu10.15

237-3ubuntu10.17

237-3ubuntu10.19

237-3ubuntu10.20

237-3ubuntu10.21

237-3ubuntu10.22

237-3ubuntu10.23

237-3ubuntu10.24

237-3ubuntu10.25

237-3ubuntu10.26

237-3ubuntu10.28

237-3ubuntu10.29

237-3ubuntu10.31

237-3ubuntu10.33

237-3ubuntu10.38

237-3ubuntu10.39

237-3ubuntu10.40

237-3ubuntu10.41

237-3ubuntu10.42

237-3ubuntu10.43

237-3ubuntu10.44

237-3ubuntu10.45

237-3ubuntu10.46

237-3ubuntu10.47

237-3ubuntu10.48

237-3ubuntu10.49

237-3ubuntu10.50

237-3ubuntu10.51

237-3ubuntu10.52

237-3ubuntu10.53

237-3ubuntu10.54

237-3ubuntu10.56

237-3ubuntu10.57

237-3ubuntu10.57+esm2

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:20.04:LTS / systemd

Package

Name: systemd
Purl: pkg:deb/ubuntu/systemd?arch=src?distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

245.4-4ubuntu3.15

Affected versions

Other

242-7ubuntu3

243-2ubuntu1

243-3ubuntu1

244-3ubuntu1

244.*

244.1-0ubuntu2

244.1-0ubuntu3

244.2-1ubuntu1

244.3-1ubuntu1

245.*

245.2-1ubuntu1

245.2-1ubuntu2

245.4-2ubuntu1

245.4-4ubuntu1

245.4-4ubuntu3

245.4-4ubuntu3.1

245.4-4ubuntu3.2

245.4-4ubuntu3.3

245.4-4ubuntu3.4

245.4-4ubuntu3.5

245.4-4ubuntu3.6

245.4-4ubuntu3.7

245.4-4ubuntu3.10

245.4-4ubuntu3.11

245.4-4ubuntu3.13

245.4-4ubuntu3.14

Ecosystem specific

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libnss-myhostname"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libnss-myhostname-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libnss-mymachines"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libnss-mymachines-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libnss-resolve"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libnss-resolve-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libnss-systemd"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libnss-systemd-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libpam-systemd"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libpam-systemd-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libsystemd-dev"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libsystemd0"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libsystemd0-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libudev-dev"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libudev1"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libudev1-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "libudev1-udeb"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "systemd"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "systemd-container"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "systemd-container-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "systemd-coredump"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "systemd-coredump-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "systemd-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "systemd-journal-remote"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "systemd-journal-remote-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "systemd-sysv"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "systemd-tests"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "systemd-tests-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "systemd-timesyncd"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "systemd-timesyncd-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "udev"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "udev-dbgsym"
        },
        {
            "binary_version": "245.4-4ubuntu3.15",
            "binary_name": "udev-udeb"
        }
    ]
}