{"id":"UBUNTU-CVE-2022-29800","details":"A time-of-check-time-of-use (TOCTOU) race condition vulnerability was found in networkd-dispatcher. This flaw exists because there is a certain time between the scripts being discovered and them being run. An attacker can abuse this vulnerability to replace scripts that networkd-dispatcher believes to be owned by root with ones that are not.","modified":"2026-02-04T03:01:37.972376Z","published":"2022-04-27T00:00:00Z","related":["USN-5395-1"],"upstream":["CVE-2022-29800"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-29800"},{"type":"REPORT","url":"https://www.helpnetsecurity.com/2022/04/27/cve-2022-29799-cve-2022-29800/"},{"type":"REPORT","url":"https://www.microsoft.com/security/blog/2022/04/26/microsoft-finds-new-elevation-of-privilege-linux-vulnerability-nimbuspwn/"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5395-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2022-29800"}],"affected":[{"package":{"name":"networkd-dispatcher","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/networkd-dispatcher@1.7-0ubuntu3.4?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.7-0ubuntu3.4"}]}],"versions":["1.7-0ubuntu1","1.7-0ubuntu2","1.7-0ubuntu3","1.7-0ubuntu3.2","1.7-0ubuntu3.3"],"ecosystem_specific":{"binaries":[{"binary_name":"networkd-dispatcher","binary_version":"1.7-0ubuntu3.4"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-29800.json"}},{"package":{"name":"networkd-dispatcher","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/networkd-dispatcher@2.1-2~ubuntu20.04.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1-2~ubuntu20.04.2"}]}],"versions":["2.0.1-1","2.1-2~ubuntu20.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"networkd-dispatcher","binary_version":"2.1-2~ubuntu20.04.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-29800.json"}},{"package":{"name":"networkd-dispatcher","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/networkd-dispatcher@2.1-2ubuntu0.22.04.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1-2ubuntu0.22.04.1"}]}],"versions":["2.1-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"networkd-dispatcher","binary_version":"2.1-2ubuntu0.22.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-29800.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"high"}]}