UBUNTU-CVE-2021-4115

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Source
https://ubuntu.com/security/CVE-2021-4115
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-4115.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-4115
Related
Published
2022-02-14T13:00:00Z
Modified
2025-01-13T10:22:27Z
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

There is a flaw in polkit which can allow an unprivileged user to cause polkit to crash, due to process file descriptor exhaustion. The highest threat from this vulnerability is to availability. NOTE: Polkit process outage duration is tied to the failing process being reaped and a new one being spawned

References

Affected packages

Ubuntu:20.04:LTS / policykit-1

Package

Name
policykit-1
Purl
pkg:deb/ubuntu/policykit-1@0.105-26ubuntu1.3?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.105-26ubuntu1.3

Affected versions

0.*

0.105-26ubuntu1
0.105-26ubuntu1.1
0.105-26ubuntu1.2

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "0.105-26ubuntu1.3",
            "binary_name": "gir1.2-polkit-1.0"
        },
        {
            "binary_version": "0.105-26ubuntu1.3",
            "binary_name": "libpolkit-agent-1-0"
        },
        {
            "binary_version": "0.105-26ubuntu1.3",
            "binary_name": "libpolkit-agent-1-0-dbgsym"
        },
        {
            "binary_version": "0.105-26ubuntu1.3",
            "binary_name": "libpolkit-agent-1-dev"
        },
        {
            "binary_version": "0.105-26ubuntu1.3",
            "binary_name": "libpolkit-gobject-1-0"
        },
        {
            "binary_version": "0.105-26ubuntu1.3",
            "binary_name": "libpolkit-gobject-1-0-dbgsym"
        },
        {
            "binary_version": "0.105-26ubuntu1.3",
            "binary_name": "libpolkit-gobject-1-dev"
        },
        {
            "binary_version": "0.105-26ubuntu1.3",
            "binary_name": "policykit-1"
        },
        {
            "binary_version": "0.105-26ubuntu1.3",
            "binary_name": "policykit-1-dbgsym"
        },
        {
            "binary_version": "0.105-26ubuntu1.3",
            "binary_name": "policykit-1-doc"
        }
    ]
}

Ubuntu:22.04:LTS / policykit-1

Package

Name
policykit-1
Purl
pkg:deb/ubuntu/policykit-1@0.105-32?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.105-32

Affected versions

0.*

0.105-31
0.105-31ubuntu1
0.105-31.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "ubuntu_priority": "medium",
    "binaries": [
        {
            "binary_version": "0.105-32",
            "binary_name": "gir1.2-polkit-1.0"
        },
        {
            "binary_version": "0.105-32",
            "binary_name": "libpolkit-agent-1-0"
        },
        {
            "binary_version": "0.105-32",
            "binary_name": "libpolkit-agent-1-0-dbgsym"
        },
        {
            "binary_version": "0.105-32",
            "binary_name": "libpolkit-agent-1-dev"
        },
        {
            "binary_version": "0.105-32",
            "binary_name": "libpolkit-gobject-1-0"
        },
        {
            "binary_version": "0.105-32",
            "binary_name": "libpolkit-gobject-1-0-dbgsym"
        },
        {
            "binary_version": "0.105-32",
            "binary_name": "libpolkit-gobject-1-dev"
        },
        {
            "binary_version": "0.105-32",
            "binary_name": "pkexec"
        },
        {
            "binary_version": "0.105-32",
            "binary_name": "pkexec-dbgsym"
        },
        {
            "binary_version": "0.105-32",
            "binary_name": "policykit-1"
        },
        {
            "binary_version": "0.105-32",
            "binary_name": "policykit-1-doc"
        },
        {
            "binary_version": "0.105-32",
            "binary_name": "polkitd"
        },
        {
            "binary_version": "0.105-32",
            "binary_name": "polkitd-dbgsym"
        }
    ]
}