{"id":"CVE-2018-9543","aliases":["EUVD-2018-21137","GHSA-cg6c-3fqg-36xh","UBUNTU-CVE-2018-9543"],"status":"published","title":"In trim_device of f2fs_format_utils.c, it is possible that the data partition is not wiped during...","description":"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.","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00203,"percentile":0.10307,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2018-11-14T18:00:00Z","modified":"2026-10-17T12:55:29Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.1-1","1.6.0-1","1.6.0-2","1.6.1-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.0-1.1","1.10.0-1","1.11.0-1.1~18.04"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.11.0-1.1","1.11.0-1.1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.14.0-2build1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-1.1","1.16.0-2"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-2build1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"f2fs-tools","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-2","1.16.0-2build1"]}],"products":[{"vendor":"google","product":"android"},{"vendor":"google inc.","product":"android"}],"references":[{"url":"http://www.securityfocus.com/bid/105849","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://source.android.com/security/bulletin/2018-12-01","tags":["x_refsource_CONFIRM","x_transferred","Not Applicable","Vendor Advisory"]},{"url":"https://source.android.com/security/bulletin/2018-11-01","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-9543"},{"url":"https://github.com/advisories/GHSA-cg6c-3fqg-36xh"},{"url":"https://ubuntu.com/security/CVE-2018-9543","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-9543","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-9543","description":"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.","status":"published","published":"2018-11-14T18:00:00Z","modified":"2024-08-05T07:24:55.926Z","updated_at":"2026-11-02T14:35:02.603326Z"}],"euvd":[{"id":"EUVD-2018-21137","description":"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.","status":"published","published":"2018-11-14T18:00:00Z","modified":"2024-08-05T07:24:55Z","updated_at":"2026-11-03T02:40:00.040327Z"}],"ghsa":[{"id":"GHSA-cg6c-3fqg-36xh","title":"In trim_device of f2fs_format_utils.c, it is possible that the data partition is not wiped during...","description":"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.","status":"published","published":"2022-05-13T01:53:56Z","modified":"2023-02-02T05:02:22Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:51:25.546182Z"}],"nvd":[{"id":"CVE-2018-9543","description":"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.","status":"published","published":"2018-11-14T18:29:01.227Z","modified":"2026-06-17T02:06:53.703Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:04:48.987926Z"}],"osv":[{"id":"UBUNTU-CVE-2018-9543","description":"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.","status":"published","published":"2018-11-14T18:29:00Z","modified":"2026-10-17T12:55:29.350997219Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:18.772093Z"}]}}