{"id":"CVE-2011-1823","aliases":["EUVD-2011-1821","GHSA-3hj2-5cwp-2349"],"status":"published","title":"The vold volume manager daemon on Android 3.0 and 2.x before 2.3.4 trusts messages that are...","description":"The vold volume manager daemon on Android 3.0 and 2.x before 2.3.4 trusts messages that are received from a PF_NETLINK socket, which allows local users to execute arbitrary code and gain root privileges via a negative index that bypasses a maximum-only signed integer check in the DirectVolume::handlePartitionAdded method, which triggers memory corruption, as demonstrated by Gingerbreak.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-06","score":0.41367,"percentile":0.98678,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-189","CWE-190"],"published":"2011-06-09T10:00:00Z","modified":"2026-06-16T23:30:11Z","kev":{"date_added":"2022-09-08","due_date":"2022-09-29","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2022-09-08"},{"source":"kev","since":"2022-09-08"}],"products":[{"vendor":"android","product":"android os"},{"vendor":"google","product":"android"}],"references":[{"url":"http://android.git.kernel.org/?p=platform/system/netd.git%3Ba=commit%3Bh=79b579c92afc08ab12c0a5788d61f2dd2934836f","tags":["x_refsource_CONFIRM","x_transferred","Broken Link"]},{"url":"http://android.git.kernel.org/?p=platform/system/core.git%3Ba=commit%3Bh=b620a0b1c7ae486e979826200e8e441605b0a5d6","tags":["x_refsource_CONFIRM","x_transferred","Broken Link"]},{"url":"http://c-skills.blogspot.com/2011/04/yummy-yummy-gingerbreak.html","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking"]},{"url":"http://androidcommunity.com/gingerbreak-root-for-gingerbread-app-20110421/","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"http://android.git.kernel.org/?p=platform/system/vold.git%3Ba=commit%3Bh=c51920c82463b240e2be0430849837d6fdc5352e","tags":["x_refsource_CONFIRM","x_transferred","Broken Link"]},{"url":"http://xorl.wordpress.com/2011/04/28/android-vold-mpartminors-signedness-issue/","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67977","tags":["vdb-entry","x_refsource_XF","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"http://www.androidpolice.com/2011/05/03/google-patches-gingerbreak-exploit-but-dont-worry-we-still-have-root-for-now/","tags":["x_refsource_MISC","x_transferred","Press/Media Coverage"]},{"url":"http://forum.xda-developers.com/showthread.php?t=1044765","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-1823","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-1823"},{"url":"http://android.git.kernel.org/?p=platform/system/core.git;a=commit;h=b620a0b1c7ae486e979826200e8e441605b0a5d6"},{"url":"http://android.git.kernel.org/?p=platform/system/netd.git;a=commit;h=79b579c92afc08ab12c0a5788d61f2dd2934836f"},{"url":"http://android.git.kernel.org/?p=platform/system/vold.git;a=commit;h=c51920c82463b240e2be0430849837d6fdc5352e"},{"url":"http://androidcommunity.com/gingerbreak-root-for-gingerbread-app-20110421"},{"url":"http://www.androidpolice.com/2011/05/03/google-patches-gingerbreak-exploit-but-dont-worry-we-still-have-root-for-now"},{"url":"http://xorl.wordpress.com/2011/04/28/android-vold-mpartminors-signedness-issue"},{"url":"https://github.com/advisories/GHSA-3hj2-5cwp-2349"}],"sources":{"cve":[{"id":"CVE-2011-1823","description":"The vold volume manager daemon on Android 3.0 and 2.x before 2.3.4 trusts messages that are received from a PF_NETLINK socket, which allows local users to execute arbitrary code and gain root privileges via a negative index that bypasses a maximum-only signed integer check in the DirectVolume::handlePartitionAdded method, which triggers memory corruption, as demonstrated by Gingerbreak.","status":"published","published":"2011-06-09T10:00:00Z","modified":"2025-10-22T00:05:49.671Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:35:38.321377Z"}],"euvd":[{"id":"EUVD-2011-1821","description":"The vold volume manager daemon on Android 3.0 and 2.x before 2.3.4 trusts messages that are received from a PF_NETLINK socket, which allows local users to execute arbitrary code and gain root privileges via a negative index that bypasses a maximum-only signed integer check in the DirectVolume::handlePartitionAdded method, which triggers memory corruption, as demonstrated by Gingerbreak.","status":"published","published":"2011-06-09T10:00:00Z","modified":"2025-10-22T00:05:49Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"exploited_since":"2022-09-08","updated_at":"2026-11-02T19:49:39.244432Z"}],"ghsa":[{"id":"GHSA-3hj2-5cwp-2349","title":"The vold volume manager daemon on Android 3.0 and 2.x before 2.3.4 trusts messages that are...","description":"The vold volume manager daemon on Android 3.0 and 2.x before 2.3.4 trusts messages that are received from a PF_NETLINK socket, which allows local users to execute arbitrary code and gain root privileges via a negative index that bypasses a maximum-only signed integer check in the DirectVolume::handlePartitionAdded method, which triggers memory corruption, as demonstrated by Gingerbreak.","status":"published","published":"2022-05-17T01:59:36Z","modified":"2025-10-22T03:31:13Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T15:04:09.843024Z"}],"kev":[{"id":"CVE-2011-1823","title":"Android OS Privilege Escalation Vulnerability","description":"The vold volume manager daemon in Android kernel trusts messages from a PF_NETLINK socket, which allows an attacker to execute code and gain root privileges. This vulnerability is associated with GingerBreak and Exploit.AndroidOS.Lotoor.","cwes":["CWE-189"],"kev":{"date_added":"2022-09-08","due_date":"2022-09-29","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2011-1823","description":"The vold volume manager daemon on Android 3.0 and 2.x before 2.3.4 trusts messages that are received from a PF_NETLINK socket, which allows local users to execute arbitrary code and gain root privileges via a negative index that bypasses a maximum-only signed integer check in the DirectVolume::handlePartitionAdded method, which triggers memory corruption, as demonstrated by Gingerbreak.","status":"published","published":"2011-06-09T10:36:27.68Z","modified":"2026-06-16T23:30:11.197Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:02:08.47516Z"}]}}