UBUNTU-CVE-2020-8835

Source
https://ubuntu.com/security/CVE-2020-8835
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8835.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-8835
Upstream
Downstream
Related
Published
2020-03-30T16:00:00Z
Modified
2025-07-18T16:45:45Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - high
Summary
[none]
Details

In the Linux kernel 5.5.0 and newer, the bpf verifier (kernel/bpf/verifier.c) did not properly restrict the register bounds for 32-bit operations, leading to out-of-bounds reads and writes in kernel memory. The vulnerability also affects the Linux 5.4 stable series, starting with v5.4.7, as the introducing commit was backported to that branch. This vulnerability was fixed in 5.6.1, 5.5.14, and 5.4.29. (issue is aka ZDI-CAN-10780)

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-image-unsigned-5.3.0-1018-azure-dbgsym",
            "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"
        }
    ]
}

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-image-unsigned-5.3.0-1016-gcp-dbgsym",
            "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"
        }
    ]
}

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-image-unsigned-5.3.0-1016-gke-dbgsym",
            "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"
        }
    ]
}

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",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "input-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "input-modules-5.3.0-45-generic-lpae-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "ipmi-modules-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "ipmi-modules-5.3.0-45-generic-lpae-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "kernel-image-5.3.0-45-generic-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "binary_name": "kernel-image-5.3.0-45-generic-lpae-di",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "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"
        },
        {
            "binary_name": "linux-headers-5.3.0-45-generic-lpae",
            "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"
        },
        {
            "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",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
        {
            "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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            "binary_name": "linux-image-5.3.0-45-generic-lpae",
            "binary_version": "5.3.0-45.37~18.04.1"
        },
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            "binary_name": "linux-image-5.3.0-45-generic-lpae-dbgsym",
            "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_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_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"
        }
    ]
}

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-image-unsigned-5.3.0-1013-oracle-dbgsym",
            "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"
        }
    ]
}

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-image-5.3.0-1021-raspi2-dbgsym",
            "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"
        }
    ]
}

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-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-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: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