{"id":"UBUNTU-CVE-2018-9543","details":"In trim_device of f2fs_format_utils.c, it is possible that the data partition is not wiped during a factory reset. This could lead to local information disclosure after factory reset with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-112868088.","modified":"2026-05-20T16:03:19.351305549Z","published":"2018-11-14T18:29:00Z","upstream":["CVE-2018-9543"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-9543"},{"type":"REPORT","url":"https://source.android.com/security/bulletin/2018-11-01"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-9543"}],"affected":[{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.1-1","1.6.0-1","1.6.0-2","1.6.1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.1-1","binary_name":"f2fs-tools"},{"binary_version":"1.6.1-1","binary_name":"libf2fs0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-9543.json"}},{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.0-1.1","1.10.0-1","1.11.0-1.1~18.04"],"ecosystem_specific":{"binaries":[{"binary_version":"1.11.0-1.1~18.04","binary_name":"f2fs-tools"},{"binary_version":"1.11.0-1.1~18.04","binary_name":"libf2fs-format4"},{"binary_version":"1.11.0-1.1~18.04","binary_name":"libf2fs5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-9543.json"}},{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.11.0-1.1","1.11.0-1.1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.11.0-1.1ubuntu1","binary_name":"f2fs-tools"},{"binary_version":"1.11.0-1.1ubuntu1","binary_name":"libf2fs-format4"},{"binary_version":"1.11.0-1.1ubuntu1","binary_name":"libf2fs5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-9543.json"}},{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.14.0-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.14.0-2build1","binary_name":"f2fs-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-9543.json"}},{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.16.0-1","binary_name":"f2fs-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-9543.json"}},{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-1.1","1.16.0-2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.16.0-2","binary_name":"f2fs-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-9543.json"}},{"package":{"name":"f2fs-tools","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/f2fs-tools?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-2","1.16.0-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.16.0-2build1","binary_name":"f2fs-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-9543.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}