UBUNTU-CVE-2021-38202

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Source

https://ubuntu.com/security/CVE-2021-38202

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-38202.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-38202

Upstream

CVE-2021-38202

Downstream

USN-5096-1

Related

USN-5096-1

Published

2021-08-08T20:15:00Z

Modified

2025-07-18T16:46:56Z

Severity

7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

fs/nfsd/trace.h in the Linux kernel before 5.13.4 might allow remote attackers to cause a denial of service (out-of-bounds read in strlen) by sending NFS traffic when the trace event framework is being used for nfsd.

References

Affected packages

Ubuntu:Pro:16.04:LTS / linux-hwe-edge

Package

Name: linux-hwe-edge
Purl: pkg:deb/ubuntu/linux-hwe-edge@4.15.0-23.25~16.04.1?arch=source&distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.8.0-28.30~16.04.1

4.8.0-30.32~16.04.1

4.8.0-32.34~16.04.1

4.8.0-34.36~16.04.1

4.10.0-14.16~16.04.1

4.10.0-19.21~16.04.1

4.10.0-20.22~16.04.1

4.10.0-21.23~16.04.1

4.10.0-22.24~16.04.1

4.10.0-24.28~16.04.1

4.10.0-26.30~16.04.1

4.11.0-13.19~16.04.1

4.11.0-14.20~16.04.1

4.13.0-16.19~16.04.3

4.13.0-17.20~16.04.1

4.13.0-19.22~16.04.1

4.13.0-21.24~16.04.1

4.13.0-25.29~16.04.2

4.15.0-13.14~16.04.1

4.15.0-15.16~16.04.1

4.15.0-20.21~16.04.1

4.15.0-22.24~16.04.1

4.15.0-23.25~16.04.1

Ubuntu:Pro:18.04:LTS / linux-aws-5.0

Package

Name: linux-aws-5.0
Purl: pkg:deb/ubuntu/linux-aws-5.0@5.0.0-1027.30?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.0.0-1021.24~18.04.1

5.0.0-1022.25~18.04.1

5.0.0-1023.26~18.04.1

5.0.0-1024.27~18.04.1

5.0.0-1025.28

5.0.0-1027.30

Ubuntu:Pro:18.04:LTS / linux-aws-5.3

Package

Name: linux-aws-5.3
Purl: pkg:deb/ubuntu/linux-aws-5.3@5.3.0-1035.37?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.3.0-1016.17~18.04.1

5.3.0-1017.18~18.04.1

5.3.0-1019.21~18.04.1

5.3.0-1023.25~18.04.1

5.3.0-1028.30~18.04.1

5.3.0-1030.32~18.04.1

5.3.0-1032.34~18.04.2

5.3.0-1033.35

5.3.0-1034.36

5.3.0-1035.37

Ubuntu:Pro:18.04:LTS / linux-azure

Package

Name: linux-azure
Purl: pkg:deb/ubuntu/linux-azure@5.0.0-1036.38?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.15.0-1002.2

4.15.0-1003.3

4.15.0-1004.4

4.15.0-1008.8

4.15.0-1009.9

4.15.0-1012.12

4.15.0-1013.13

4.15.0-1014.14

4.15.0-1018.18

4.15.0-1019.19

4.15.0-1021.21

4.15.0-1022.23

4.15.0-1023.24

4.15.0-1025.26

4.15.0-1028.29

4.15.0-1030.31

4.15.0-1031.32

4.15.0-1032.33

4.15.0-1035.36

4.15.0-1036.38

4.15.0-1037.39

4.18.0-1011.11~18.04.1

4.18.0-1013.13~18.04.1

4.18.0-1014.14~18.04.1

4.18.0-1018.18~18.04.1

4.18.0-1019.19~18.04.1

4.18.0-1020.20~18.04.1

4.18.0-1023.24~18.04.1

4.18.0-1024.25~18.04.1

4.18.0-1025.27~18.04.1

5.*

5.0.0-1014.14~18.04.1

5.0.0-1016.17~18.04.1

5.0.0-1018.19~18.04.1

5.0.0-1020.21~18.04.1

5.0.0-1022.23~18.04.1

5.0.0-1023.24~18.04.1

5.0.0-1025.27~18.04.1

5.0.0-1027.29~18.04.1

5.0.0-1028.30~18.04.1

5.0.0-1029.31~18.04.1

5.0.0-1031.33

5.0.0-1032.34

5.0.0-1035.37

5.0.0-1036.38

Ubuntu:Pro:18.04:LTS / linux-azure-5.3

Package

Name: linux-azure-5.3
Purl: pkg:deb/ubuntu/linux-azure-5.3@5.3.0-1035.36?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.3.0-1007.8~18.04.1

5.3.0-1008.9~18.04.1

5.3.0-1009.10~18.04.1

5.3.0-1010.11~18.04.1

5.3.0-1012.13~18.04.1

5.3.0-1013.14~18.04.1

5.3.0-1016.17~18.04.1

5.3.0-1018.19~18.04.1

5.3.0-1019.20~18.04.1

5.3.0-1020.21~18.04.1

5.3.0-1022.23~18.04.1

5.3.0-1028.29~18.04.1

5.3.0-1031.32~18.04.1

5.3.0-1032.33~18.04.1

5.3.0-1034.35~18.04.1

5.3.0-1035.36

Ubuntu:Pro:18.04:LTS / linux-azure-edge

Package

Name: linux-azure-edge
Purl: pkg:deb/ubuntu/linux-azure-edge@5.0.0-1012.12~18.04.2?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.18.0-1006.6~18.04.1

4.18.0-1007.7~18.04.1

4.18.0-1008.8~18.04.1

5.*

5.0.0-1012.12~18.04.2

Ubuntu:Pro:18.04:LTS / linux-gcp

Package

Name: linux-gcp
Purl: pkg:deb/ubuntu/linux-gcp@5.0.0-1034.35?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.15.0-1001.1

4.15.0-1003.3

4.15.0-1005.5

4.15.0-1006.6

4.15.0-1008.8

4.15.0-1009.9

4.15.0-1010.10

4.15.0-1014.14

4.15.0-1015.15

4.15.0-1017.18

4.15.0-1018.19

4.15.0-1019.20

4.15.0-1021.22

4.15.0-1023.24

4.15.0-1024.25

4.15.0-1025.26

4.15.0-1026.27

4.15.0-1027.28

4.15.0-1028.29

4.15.0-1029.31

4.15.0-1030.32

4.15.0-1032.34

4.15.0-1033.35

4.15.0-1034.36

4.15.0-1036.38

4.15.0-1037.39

4.15.0-1040.42

4.15.0-1042.45

4.15.0-1044.70

5.*

5.0.0-1020.20~18.04.1

5.0.0-1021.21~18.04.1

5.0.0-1025.26~18.04.1

5.0.0-1026.27~18.04.1

5.0.0-1028.29~18.04.1

5.0.0-1029.30~18.04.1

5.0.0-1031.32

5.0.0-1033.34

5.0.0-1034.35

Ubuntu:Pro:18.04:LTS / linux-gcp-5.3

Package

Name: linux-gcp-5.3
Purl: pkg:deb/ubuntu/linux-gcp-5.3@5.3.0-1032.34~18.04.1?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.3.0-1008.9~18.04.1

5.3.0-1009.10~18.04.1

5.3.0-1010.11~18.04.1

5.3.0-1012.13~18.04.1

5.3.0-1014.15~18.04.1

5.3.0-1016.17~18.04.1

5.3.0-1017.18~18.04.1

5.3.0-1018.19~18.04.1

5.3.0-1020.22~18.04.1

5.3.0-1026.28~18.04.1

5.3.0-1029.31~18.04.1

5.3.0-1030.32~18.04.1

5.3.0-1032.34~18.04.1

Ubuntu:Pro:18.04:LTS / linux-gcp-edge

Package

Name: linux-gcp-edge
Purl: pkg:deb/ubuntu/linux-gcp-edge@5.0.0-1013.13~18.04.1?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.18.0-1004.5~18.04.1

4.18.0-1005.6~18.04.1

4.18.0-1006.7~18.04.1

4.18.0-1007.8~18.04.1

4.18.0-1008.9~18.04.1

4.18.0-1009.10~18.04.1

4.18.0-1011.12~18.04.1

4.18.0-1012.13~18.04.1

4.18.0-1013.14~18.04.1

4.18.0-1015.16~18.04.1

5.*

5.0.0-1011.11~18.04.1

5.0.0-1013.13~18.04.1

Ubuntu:Pro:18.04:LTS / linux-gke-4.15

Package

Name: linux-gke-4.15
Purl: pkg:deb/ubuntu/linux-gke-4.15@4.15.0-1079.84?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.15.0-1030.32

4.15.0-1032.34

4.15.0-1033.35

4.15.0-1034.36

4.15.0-1036.38

4.15.0-1037.39

4.15.0-1040.42

4.15.0-1041.43

4.15.0-1042.44

4.15.0-1044.46

4.15.0-1045.48

4.15.0-1046.49

4.15.0-1048.51

4.15.0-1049.52

4.15.0-1050.53

4.15.0-1052.55

4.15.0-1055.58

4.15.0-1057.60

4.15.0-1058.61

4.15.0-1059.62

4.15.0-1063.66

4.15.0-1064.67

4.15.0-1066.69

4.15.0-1067.70

4.15.0-1069.72

4.15.0-1070.73

4.15.0-1072.76

4.15.0-1073.78

4.15.0-1074.79

4.15.0-1076.81

4.15.0-1077.82

4.15.0-1078.83

4.15.0-1079.84

Ubuntu:Pro:18.04:LTS / linux-hwe

Package

Name: linux-hwe
Purl: pkg:deb/ubuntu/linux-hwe@5.3.0-76.72?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.18.0-13.14~18.04.1

4.18.0-14.15~18.04.1

4.18.0-15.16~18.04.1

4.18.0-16.17~18.04.1

4.18.0-17.18~18.04.1

4.18.0-18.19~18.04.1

4.18.0-20.21~18.04.1

4.18.0-21.22~18.04.1

4.18.0-22.23~18.04.1

4.18.0-24.25~18.04.1

4.18.0-25.26~18.04.1

5.*

5.0.0-23.24~18.04.1

5.0.0-25.26~18.04.1

5.0.0-27.28~18.04.1

5.0.0-29.31~18.04.1

5.0.0-31.33~18.04.1

5.0.0-32.34~18.04.2

5.0.0-35.38~18.04.1

5.0.0-36.39~18.04.1

5.0.0-37.40~18.04.1

5.3.0-26.28~18.04.1

5.3.0-28.30~18.04.1

5.3.0-40.32~18.04.1

5.3.0-42.34~18.04.1

5.3.0-45.37~18.04.1

5.3.0-46.38~18.04.1

5.3.0-51.44~18.04.2

5.3.0-53.47~18.04.1

5.3.0-59.53~18.04.1

5.3.0-61.55~18.04.1

5.3.0-62.56~18.04.1

5.3.0-64.58~18.04.1

5.3.0-65.59

5.3.0-66.60

5.3.0-67.61

5.3.0-68.63

5.3.0-69.65

5.3.0-70.66

5.3.0-72.68

5.3.0-73.69

5.3.0-74.70

5.3.0-75.71

5.3.0-76.72

Ubuntu:Pro:18.04:LTS / linux-hwe-edge

Package

Name: linux-hwe-edge
Purl: pkg:deb/ubuntu/linux-hwe-edge@5.3.0-24.26~18.04.2?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.0.0-15.16~18.04.1

5.0.0-16.17~18.04.1

5.0.0-17.18~18.04.1

5.0.0-19.20~18.04.1

5.0.0-20.21~18.04.1

5.3.0-19.20~18.04.2

5.3.0-22.24~18.04.1

5.3.0-23.25~18.04.1

5.3.0-23.25~18.04.2

5.3.0-24.26~18.04.2

Ubuntu:Pro:18.04:LTS / linux-oem

Package

Name: linux-oem
Purl: pkg:deb/ubuntu/linux-oem@4.15.0-1103.114?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

4.*

4.15.0-1002.3

4.15.0-1004.5

4.15.0-1006.9

4.15.0-1008.11

4.15.0-1009.12

4.15.0-1012.15

4.15.0-1013.16

4.15.0-1015.18

4.15.0-1017.20

4.15.0-1018.21

4.15.0-1021.24

4.15.0-1024.29

4.15.0-1026.31

4.15.0-1028.33

4.15.0-1030.35

4.15.0-1033.38

4.15.0-1034.39

4.15.0-1035.40

4.15.0-1036.41

4.15.0-1038.43

4.15.0-1039.44

4.15.0-1043.48

4.15.0-1045.50

4.15.0-1050.57

4.15.0-1056.65

4.15.0-1057.66

4.15.0-1059.68

4.15.0-1063.72

4.15.0-1064.73

4.15.0-1065.75

4.15.0-1066.76

4.15.0-1067.77

4.15.0-1069.79

4.15.0-1073.83

4.15.0-1076.86

4.15.0-1079.89

4.15.0-1080.90

4.15.0-1081.91

4.15.0-1087.97

4.15.0-1090.100

4.15.0-1091.101

4.15.0-1093.103

4.15.0-1094.104

4.15.0-1096.106

4.15.0-1097.107

4.15.0-1099.109

4.15.0-1100.110

4.15.0-1101.112

4.15.0-1102.113

4.15.0-1103.114

Ubuntu:Pro:18.04:LTS / linux-oracle-5.0

Package

Name: linux-oracle-5.0
Purl: pkg:deb/ubuntu/linux-oracle-5.0@5.0.0-1014.19?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.0.0-1007.12~18.04.1

5.0.0-1008.13~18.04.1

5.0.0-1009.14~18.04.1

5.0.0-1010.15~18.04.1

5.0.0-1011.16

5.0.0-1013.18

5.0.0-1014.19

Ubuntu:Pro:18.04:LTS / linux-oracle-5.3

Package

Name: linux-oracle-5.3
Purl: pkg:deb/ubuntu/linux-oracle-5.3@5.3.0-1030.32~18.04.1?arch=source&distro=esm-infra/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.3.0-1011.12~18.04.1

5.3.0-1013.14~18.04.1

5.3.0-1014.15~18.04.1

5.3.0-1016.18~18.04.1

5.3.0-1018.20~18.04.1

5.3.0-1024.26~18.04.1

5.3.0-1027.29~18.04.1

5.3.0-1028.30~18.04.1

5.3.0-1030.32~18.04.1

Ubuntu:20.04:LTS / linux-oem-5.13

Package

Name: linux-oem-5.13
Purl: pkg:deb/ubuntu/linux-oem-5.13@5.13.0-1014.18?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.13.0-1014.18

Affected versions

5.*

5.13.0-1009.10

5.13.0-1010.11

5.13.0-1012.16

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "5.13.0-1014.18",
            "binary_name": "linux-buildinfo-5.13.0-1014-oem"
        },
        {
            "binary_version": "5.13.0-1014.18",
            "binary_name": "linux-headers-5.13.0-1014-oem"
        },
        {
            "binary_version": "5.13.0-1014.18",
            "binary_name": "linux-image-unsigned-5.13.0-1014-oem"
        },
        {
            "binary_version": "5.13.0-1014.18",
            "binary_name": "linux-image-unsigned-5.13.0-1014-oem-dbgsym"
        },
        {
            "binary_version": "5.13.0-1014.18",
            "binary_name": "linux-modules-5.13.0-1014-oem"
        },
        {
            "binary_version": "5.13.0-1014.18",
            "binary_name": "linux-oem-5.13-headers-5.13.0-1014"
        },
        {
            "binary_version": "5.13.0-1014.18",
            "binary_name": "linux-oem-5.13-tools-5.13.0-1014"
        },
        {
            "binary_version": "5.13.0-1014.18",
            "binary_name": "linux-oem-5.13-tools-host"
        },
        {
            "binary_version": "5.13.0-1014.18",
            "binary_name": "linux-tools-5.13.0-1014-oem"
        }
    ]
}

Ubuntu:Pro:20.04:LTS / linux-aws-5.8

Package

Name: linux-aws-5.8
Purl: pkg:deb/ubuntu/linux-aws-5.8@5.8.0-1042.44~20.04.1?arch=source&distro=esm-infra/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.8.0-1035.37~20.04.1

5.8.0-1038.40~20.04.1

5.8.0-1041.43~20.04.1

5.8.0-1042.44~20.04.1

Ubuntu:Pro:20.04:LTS / linux-gcp-5.8

Package

Name: linux-gcp-5.8
Purl: pkg:deb/ubuntu/linux-gcp-5.8@5.8.0-1039.41?arch=source&distro=esm-infra/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.8.0-1032.34~20.04.1

5.8.0-1035.37~20.04.1

5.8.0-1038.40~20.04.1

5.8.0-1039.41

Ubuntu:Pro:20.04:LTS / linux-oem-5.6

Package

Name: linux-oem-5.6
Purl: pkg:deb/ubuntu/linux-oem-5.6@5.6.0-1056.60?arch=source&distro=esm-infra/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.6.0-1007.7

5.6.0-1008.8

5.6.0-1010.10

5.6.0-1011.11

5.6.0-1013.13

5.6.0-1017.17

5.6.0-1018.18

5.6.0-1020.20

5.6.0-1021.21

5.6.0-1023.23

5.6.0-1026.26

5.6.0-1027.27

5.6.0-1028.28

5.6.0-1031.32

5.6.0-1032.33

5.6.0-1033.35

5.6.0-1034.36

5.6.0-1035.37

5.6.0-1036.39

5.6.0-1039.43

5.6.0-1042.46

5.6.0-1047.51

5.6.0-1048.52

5.6.0-1050.54

5.6.0-1052.56

5.6.0-1053.57

5.6.0-1054.58

5.6.0-1055.59

5.6.0-1056.60

Ubuntu:Pro:20.04:LTS / linux-oracle-5.8

Package

Name: linux-oracle-5.8
Purl: pkg:deb/ubuntu/linux-oracle-5.8@5.8.0-1038.39~20.04.1?arch=source&distro=esm-infra/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.8.0-1031.32~20.04.2

5.8.0-1033.34~20.04.1

5.8.0-1034.35~20.04.2

5.8.0-1037.38~20.04.1

5.8.0-1038.39~20.04.1

Ubuntu:Pro:20.04:LTS / linux-raspi2

Package

Name: linux-raspi2
Purl: pkg:deb/ubuntu/linux-raspi2@5.4.0-1006.6?arch=source&distro=esm-infra/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.3.0-1007.8

5.3.0-1014.16

5.3.0-1015.17

5.3.0-1017.19

5.4.0-1004.4

5.4.0-1006.6

Ubuntu:Pro:20.04:LTS / linux-riscv

Package

Name: linux-riscv
Purl: pkg:deb/ubuntu/linux-riscv@5.4.0-40.45?arch=source&distro=esm-infra/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.4.0-24.28

5.4.0-26.30

5.4.0-27.31

5.4.0-28.32

5.4.0-30.34

5.4.0-31.35

5.4.0-33.37

5.4.0-34.38

5.4.0-36.41

5.4.0-37.42

5.4.0-39.44

5.4.0-40.45

Ubuntu:Pro:20.04:LTS / linux-riscv-5.8

Package

Name: linux-riscv-5.8
Purl: pkg:deb/ubuntu/linux-riscv-5.8@5.8.0-29.31~20.04.1?arch=source&distro=esm-infra/focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.8.0-14.16~20.04.1

5.8.0-14.16~20.04.3

5.8.0-16.18~20.04.1

5.8.0-17.19~20.04.1

5.8.0-18.20~20.04.1

5.8.0-20.22~20.04.1

5.8.0-22.24~20.04.1

5.8.0-25.27~20.04.1

5.8.0-26.28~20.04.1

5.8.0-29.31~20.04.1