{"id":"USN-5304-1","summary":"policykit-1 vulnerability","details":"Kevin Backhouse discovered that PolicyKit incorrectly handled file\ndescriptors. A local attacker could possibly use this issue to cause\nPolicyKit to crash, resulting in a denial of service.\n","modified":"2026-04-22T10:21:57.531605Z","published":"2022-02-28T12:18:48Z","related":["UBUNTU-CVE-2021-4115"],"upstream":["CVE-2021-4115","UBUNTU-CVE-2021-4115"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5304-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-4115"}],"affected":[{"package":{"name":"policykit-1","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/policykit-1@0.105-26ubuntu1.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.105-26ubuntu1.3"}]}],"versions":["0.105-26ubuntu1","0.105-26ubuntu1.1","0.105-26ubuntu1.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"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-gobject-1-0","binary_version":"0.105-26ubuntu1.3"},{"binary_name":"policykit-1","binary_version":"0.105-26ubuntu1.3"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-4115","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5304-1.json"}}],"schema_version":"1.7.5"}