{"id":"CVE-2011-1823","url":"https://www.cyber-defence.io/tools/cve/CVE-2011-1823","generatedAt":"2026-10-27T19:49:22.950Z","title":"Android OS Privilege Escalation Vulnerability","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.","published":"2011-06-09T10:36:28.000Z","lastModified":"2026-06-16T23:30:11.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-190"],"affected":["google/android"],"epss":{"score":0.41367,"percentile":0.98662,"date":"2026-10-26","history":[]},"kev":{"listed":true,"dateAdded":"2022-09-08","dueDate":"2022-09-29","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://android.googlesource.com/platform/system/vold/+/c51920c82463b240e2be0430849837d6fdc5352e; https://nvd.nist.gov/vuln/detail/CVE-2011-1823"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 29 September 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://android.git.kernel.org/?p=platform/system/core.git%3Ba=commit%3Bh=b620a0b1c7ae486e979826200e8e441605b0a5d6","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"http://android.git.kernel.org/?p=platform/system/netd.git%3Ba=commit%3Bh=79b579c92afc08ab12c0a5788d61f2dd2934836f","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"http://android.git.kernel.org/?p=platform/system/vold.git%3Ba=commit%3Bh=c51920c82463b240e2be0430849837d6fdc5352e","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"http://androidcommunity.com/gingerbreak-root-for-gingerbread-app-20110421/","tags":["Broken Link"],"source":"cve@mitre.org"},{"url":"http://c-skills.blogspot.com/2011/04/yummy-yummy-gingerbreak.html","tags":["Exploit","Issue Tracking"],"source":"cve@mitre.org"},{"url":"http://forum.xda-developers.com/showthread.php?t=1044765","tags":["Exploit","Issue Tracking"],"source":"cve@mitre.org"},{"url":"http://www.androidpolice.com/2011/05/03/google-patches-gingerbreak-exploit-but-dont-worry-we-still-have-root-for-now/","tags":["Press/Media Coverage"],"source":"cve@mitre.org"},{"url":"http://xorl.wordpress.com/2011/04/28/android-vold-mpartminors-signedness-issue/","tags":["Exploit"],"source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67977","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://android.git.kernel.org/?p=platform/system/core.git%3Ba=commit%3Bh=b620a0b1c7ae486e979826200e8e441605b0a5d6","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://android.git.kernel.org/?p=platform/system/netd.git%3Ba=commit%3Bh=79b579c92afc08ab12c0a5788d61f2dd2934836f","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://android.git.kernel.org/?p=platform/system/vold.git%3Ba=commit%3Bh=c51920c82463b240e2be0430849837d6fdc5352e","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://androidcommunity.com/gingerbreak-root-for-gingerbread-app-20110421/","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://c-skills.blogspot.com/2011/04/yummy-yummy-gingerbreak.html","tags":["Exploit","Issue Tracking"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://forum.xda-developers.com/showthread.php?t=1044765","tags":["Exploit","Issue Tracking"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.androidpolice.com/2011/05/03/google-patches-gingerbreak-exploit-but-dont-worry-we-still-have-root-for-now/","tags":["Press/Media Coverage"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://xorl.wordpress.com/2011/04/28/android-vold-mpartminors-signedness-issue/","tags":["Exploit"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/67977","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2011-1823","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2011-1823","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}