{"id":"USN-4960-1","summary":"runc vulnerability","details":"Etienne Champetier discovered that runC incorrectly checked mount targets.\nAn attacker with a malicious container image could possibly mount the host\nfilesystem into the container and escalate privileges.\n","modified":"2026-02-10T04:42:12Z","published":"2021-05-19T10:41:11Z","related":["UBUNTU-CVE-2021-30465"],"upstream":["CVE-2021-30465","UBUNTU-CVE-2021-30465"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4960-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-30465"}],"affected":[{"package":{"name":"runc","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/runc@1.0.0~rc93-0ubuntu1~18.04.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.0~rc93-0ubuntu1~18.04.2"}]}],"versions":["1.0.0~rc2+docker1.13.1-0ubuntu1","1.0.0~rc4+dfsg1-2","1.0.0~rc4+dfsg1-6","1.0.0~rc4+dfsg1-6ubuntu0.18.04.1","1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.1","1.0.0~rc7+git20190403.029124da-0ubuntu1~18.04.2","1.0.0~rc10-0ubuntu1~18.04.1","1.0.0~rc10-0ubuntu1~18.04.2","1.0.0~rc93-0ubuntu1~18.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"golang-github-opencontainers-runc-dev","binary_version":"1.0.0~rc93-0ubuntu1~18.04.2"},{"binary_name":"runc","binary_version":"1.0.0~rc93-0ubuntu1~18.04.2"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-30465","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4960-1.json"}},{"package":{"name":"runc","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/runc@1.0.0~rc93-0ubuntu1~20.04.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.0~rc93-0ubuntu1~20.04.2"}]}],"versions":["1.0.0~rc8+git20190923.3e425f80-0ubuntu1","1.0.0~rc10-0ubuntu1","1.0.0~rc93-0ubuntu1~20.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.0~rc93-0ubuntu1~20.04.2","binary_name":"golang-github-opencontainers-runc-dev"},{"binary_name":"runc","binary_version":"1.0.0~rc93-0ubuntu1~20.04.2"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2021-30465","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"high","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4960-1.json"}}],"schema_version":"1.7.3"}