UBUNTU-CVE-2021-4115

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",
    "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-dev"
        },
        {
            "binary_version": "0.105-26ubuntu1.3",
            "binary_name": "libpolkit-gobject-1-0"
        },
        {
            "binary_version": "0.105-26ubuntu1.3",
            "binary_name": "libpolkit-gobject-1-dev"
        },
        {
            "binary_version": "0.105-26ubuntu1.3",
            "binary_name": "policykit-1"
        }
    ]
}