USN-4313-1

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Please try reporting it to the source first.

Source

https://ubuntu.com/security/notices/USN-4313-1

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4313-1.json

JSON Data

https://api.osv.dev/v1/vulns/USN-4313-1

Upstream

CVE-2020-8835

UBUNTU-CVE-2020-8835

Related

UBUNTU-CVE-2020-8835

Published

2020-03-30T18:10:34.917980Z

Modified

2025-10-13T04:35:06Z

Summary

linux, linux-aws, linux-azure, linux-azure-5.3, linux-gcp, linux-gcp-5.3, linux-gke-5.3, linux-hwe, linux-kvm, linux-oracle, linux-oracle-5.3, linux-raspi2, linux-raspi2-5.3 vulnerability

Details

Manfred Paul discovered that the bpf verifier in the Linux kernel did not properly calculate register bounds for certain operations. A local attacker could use this to expose sensitive information (kernel memory) or gain administrative privileges.

References

Affected packages

Ubuntu:18.04:LTS

linux-azure-5.3

Package

Name: linux-azure-5.3
Purl: pkg:deb/ubuntu/linux-azure-5.3@5.3.0-1018.19~18.04.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.3.0-1018.19~18.04.1

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

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "linux-azure-5.3-cloud-tools-5.3.0-1018",
            "binary_version": "5.3.0-1018.19~18.04.1"
        },
        {
            "binary_name": "linux-azure-5.3-headers-5.3.0-1018",
            "binary_version": "5.3.0-1018.19~18.04.1"
        },
        {
            "binary_name": "linux-azure-5.3-tools-5.3.0-1018",
            "binary_version": "5.3.0-1018.19~18.04.1"
        },
        {
            "binary_name": "linux-buildinfo-5.3.0-1018-azure",
            "binary_version": "5.3.0-1018.19~18.04.1"
        },
        {
            "binary_name": "linux-cloud-tools-5.3.0-1018-azure",
            "binary_version": "5.3.0-1018.19~18.04.1"
        },
        {
            "binary_name": "linux-headers-5.3.0-1018-azure",
            "binary_version": "5.3.0-1018.19~18.04.1"
        },
        {
            "binary_name": "linux-image-unsigned-5.3.0-1018-azure",
            "binary_version": "5.3.0-1018.19~18.04.1"
        },
        {
            "binary_name": "linux-modules-5.3.0-1018-azure",
            "binary_version": "5.3.0-1018.19~18.04.1"
        },
        {
            "binary_name": "linux-modules-extra-5.3.0-1018-azure",
            "binary_version": "5.3.0-1018.19~18.04.1"
        },
        {
            "binary_name": "linux-tools-5.3.0-1018-azure",
            "binary_version": "5.3.0-1018.19~18.04.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2020-8835",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}

linux-gcp-5.3

Package

Name: linux-gcp-5.3
Purl: pkg:deb/ubuntu/linux-gcp-5.3@5.3.0-1016.17~18.04.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.3.0-1016.17~18.04.1

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

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "linux-buildinfo-5.3.0-1016-gcp",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-gcp-5.3-headers-5.3.0-1016",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-gcp-5.3-tools-5.3.0-1016",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-headers-5.3.0-1016-gcp",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-image-unsigned-5.3.0-1016-gcp",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-modules-5.3.0-1016-gcp",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-modules-extra-5.3.0-1016-gcp",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-tools-5.3.0-1016-gcp",
            "binary_version": "5.3.0-1016.17~18.04.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2020-8835",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}

linux-gke-5.3

Package

Name: linux-gke-5.3
Purl: pkg:deb/ubuntu/linux-gke-5.3@5.3.0-1016.17~18.04.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.3.0-1016.17~18.04.1

Affected versions

5.*

5.3.0-1011.12~18.04.1

5.3.0-1012.13~18.04.1

5.3.0-1014.15~18.04.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "linux-buildinfo-5.3.0-1016-gke",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-gke-5.3-headers-5.3.0-1016",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-gke-5.3-tools-5.3.0-1016",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-headers-5.3.0-1016-gke",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-image-unsigned-5.3.0-1016-gke",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-modules-5.3.0-1016-gke",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-modules-extra-5.3.0-1016-gke",
            "binary_version": "5.3.0-1016.17~18.04.1"
        },
        {
            "binary_name": "linux-tools-5.3.0-1016-gke",
            "binary_version": "5.3.0-1016.17~18.04.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2020-8835",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}

linux-hwe

Package

Name: linux-hwe
Purl: pkg:deb/ubuntu/linux-hwe@5.3.0-45.37~18.04.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.3.0-45.37~18.04.1

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

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "block-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "block-modules-5.3.0-45-generic-lpae-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "crypto-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "crypto-modules-5.3.0-45-generic-lpae-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "dasd-extra-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "dasd-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "fat-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "fat-modules-5.3.0-45-generic-lpae-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "fb-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "firewire-core-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "floppy-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "fs-core-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "fs-core-modules-5.3.0-45-generic-lpae-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "fs-secondary-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "fs-secondary-modules-5.3.0-45-generic-lpae-di",
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            "binary_name": "input-modules-5.3.0-45-generic-di",
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            "binary_version": "5.3.0-45.37~18.04.1"
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            "binary_version": "5.3.0-45.37~18.04.1"
        },
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            "binary_name": "linux-buildinfo-5.3.0-45-generic",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "linux-buildinfo-5.3.0-45-generic-lpae",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "linux-buildinfo-5.3.0-45-lowlatency",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "linux-cloud-tools-5.3.0-45-generic",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "linux-cloud-tools-5.3.0-45-lowlatency",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "linux-headers-5.3.0-45",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "linux-headers-5.3.0-45-generic",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
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            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "linux-headers-5.3.0-45-lowlatency",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "linux-hwe-cloud-tools-5.3.0-45",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
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            "binary_name": "linux-hwe-tools-5.3.0-45",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "linux-hwe-udebs-generic",
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        },
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            "binary_name": "linux-hwe-udebs-generic-lpae",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
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            "binary_version": "5.3.0-45.37~18.04.1"
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        },
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        },
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        },
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            "binary_version": "5.3.0-45.37~18.04.1"
        },
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        },
        {
            "binary_name": "sata-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "sata-modules-5.3.0-45-generic-lpae-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "scsi-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "scsi-modules-5.3.0-45-generic-lpae-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "serial-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "storage-core-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "storage-core-modules-5.3.0-45-generic-lpae-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "usb-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "usb-modules-5.3.0-45-generic-lpae-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "virtio-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "vlan-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "vlan-modules-5.3.0-45-generic-lpae-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2020-8835",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}

linux-oracle-5.3

Package

Name: linux-oracle-5.3
Purl: pkg:deb/ubuntu/linux-oracle-5.3@5.3.0-1013.14~18.04.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.3.0-1013.14~18.04.1

Affected versions

5.*

5.3.0-1011.12~18.04.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "linux-buildinfo-5.3.0-1013-oracle",
            "binary_version": "5.3.0-1013.14~18.04.1"
        },
        {
            "binary_name": "linux-headers-5.3.0-1013-oracle",
            "binary_version": "5.3.0-1013.14~18.04.1"
        },
        {
            "binary_name": "linux-image-unsigned-5.3.0-1013-oracle",
            "binary_version": "5.3.0-1013.14~18.04.1"
        },
        {
            "binary_name": "linux-modules-5.3.0-1013-oracle",
            "binary_version": "5.3.0-1013.14~18.04.1"
        },
        {
            "binary_name": "linux-modules-extra-5.3.0-1013-oracle",
            "binary_version": "5.3.0-1013.14~18.04.1"
        },
        {
            "binary_name": "linux-oracle-5.3-headers-5.3.0-1013",
            "binary_version": "5.3.0-1013.14~18.04.1"
        },
        {
            "binary_name": "linux-oracle-5.3-tools-5.3.0-1013",
            "binary_version": "5.3.0-1013.14~18.04.1"
        },
        {
            "binary_name": "linux-tools-5.3.0-1013-oracle",
            "binary_version": "5.3.0-1013.14~18.04.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2020-8835",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}

linux-raspi2-5.3

Package

Name: linux-raspi2-5.3
Purl: pkg:deb/ubuntu/linux-raspi2-5.3@5.3.0-1021.23~18.04.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.3.0-1021.23~18.04.1

Affected versions

5.*

5.3.0-1017.19~18.04.1

5.3.0-1018.20~18.04.1

5.3.0-1019.21~18.04.1

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "linux-buildinfo-5.3.0-1021-raspi2",
            "binary_version": "5.3.0-1021.23~18.04.1"
        },
        {
            "binary_name": "linux-headers-5.3.0-1021-raspi2",
            "binary_version": "5.3.0-1021.23~18.04.1"
        },
        {
            "binary_name": "linux-image-5.3.0-1021-raspi2",
            "binary_version": "5.3.0-1021.23~18.04.1"
        },
        {
            "binary_name": "linux-modules-5.3.0-1021-raspi2",
            "binary_version": "5.3.0-1021.23~18.04.1"
        },
        {
            "binary_name": "linux-raspi2-5.3-headers-5.3.0-1021",
            "binary_version": "5.3.0-1021.23~18.04.1"
        },
        {
            "binary_name": "linux-raspi2-5.3-tools-5.3.0-1021",
            "binary_version": "5.3.0-1021.23~18.04.1"
        },
        {
            "binary_name": "linux-tools-5.3.0-1021-raspi2",
            "binary_version": "5.3.0-1021.23~18.04.1"
        }
    ]
}

Database specific

cves_map

{
    "cves": [
        {
            "id": "CVE-2020-8835",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:18.04:LTS"
}