{"id":"USN-4867-1","summary":"runc vulnerabilities","details":"It was discovered that runC incorrectly checked mount targets. An attacker\nwith a malicious container image could possibly mount over the /proc\ndirectory and escalate privileges. (CVE-2019-16884)\n\nEtienne 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. (CVE-2021-30465)","modified":"2026-06-25T13:30:32.613330285Z","published":"2021-08-10T19:58:08Z","related":["UBUNTU-CVE-2019-16884","UBUNTU-CVE-2021-30465"],"upstream":["CVE-2019-16884","CVE-2021-30465","UBUNTU-CVE-2019-16884","UBUNTU-CVE-2021-30465"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4867-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-16884"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-30465"}],"affected":[{"package":{"name":"runc","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/runc?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm2"}]}],"versions":["0.0.8+dfsg-2","0.1.1-0ubuntu5~16.04","1.0.0~rc1-0ubuntu1~16.04","1.0.0~rc1-0ubuntu2~16.04.1","1.0.0~rc1-0ubuntu2~16.04.1.1","1.0.0~rc2-0ubuntu2~16.04.1","1.0.0~rc2+docker1.12.6-0ubuntu1~16.04.1","1.0.0~rc2+docker1.13.1-0ubuntu1~16.04.1","1.0.0~rc2+docker1.13.1-0ubuntu1~16.04.2","1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.3","1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4","1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-opencontainers-runc-dev","binary_version":"1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm2"},{"binary_name":"runc","binary_version":"1.0.0~rc7+git20190403.029124da-0ubuntu1~16.04.4+esm2"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2019-16884","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2021-30465"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4867-1.json"}}],"schema_version":"1.7.5"}