--- title: "CVE-2011-1823: Integer Overflow or Wraparound | CubePath" 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…" language: en source: https://cubepath.com/security/cve/CVE-2011-1823 --- # CVE-2011-1823: Integer Overflow or Wraparound | CubePath ## 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. Official description from the CVE record, published by mitre. Copyright © 1999-2026 The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CVE license. [View the record on cve.org](https://www.cve.org/CVERecord?id=CVE-2011-1823) ## Key data ### CVSS 3.1 High 7.8 Score published by CISA-ADP in the CVE record. CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | Metric | Value | What it means | | ---------------------- | --------- | ----------------------------------------------------------------------------------------- | | Attack vector | Local | The attacker needs local access to the system, or to trick a user into running something. | | Attack complexity | Low | No special conditions are needed. The attack can be repeated at will. | | Privileges required | Low | A basic user account is needed. | | User interaction | None | No action from any user is needed. | | Scope | Unchanged | The impact stays within the vulnerable component. | | Confidentiality impact | High | Serious or total effect on the secrecy of data. | | Integrity impact | High | Serious or total effect on the trustworthiness of data. | | Availability impact | High | Serious or total effect on availability. | CVSS is owned and managed by FIRST.Org, Inc. (FIRST) and is used by permission. Each CVSS score on this site is shown together with its vector string, as published in the CVE record by the source named next to it. Learn more at [first.org/cvss](https://www.first.org/cvss/) . ### EPSS Exploit Prediction Scoring System by FIRST: an estimate of the probability that exploitation activity will be observed in the next 30 days. Score 0.41367 (41.4% probability) Percentile 98.7% Scores of Nov 10, 2026 Model v2026.06.15 ### CISA Known Exploited Vulnerabilities This CVE is listed in the CISA KEV catalog. Name in the catalog Android OS Privilege Escalation Vulnerability Added to the catalog Sep 8, 2022 Federal due date Sep 29, 2022 ### CISA assessment as of Feb 7, 2025 Stakeholder-Specific Vulnerability Categorization (SSVC) decision points added by CISA. Exploitation Recorded by CISA as active Automatable no Technical impact total ### Weakness (CWE) CWE catalog version 5.0. CWE names: Copyright © 2006-2026, The MITRE Corporation. See [/security/cve/legal](https://cubepath.com/security/cve/legal) for the CWE license. - [CWE-190](https://cwe.mitre.org/data/definitions/190.html) Integer Overflow or Wraparound ## References Links listed in the CVE record. They lead to other sites, which CubePath does not control. - [android.git.kernel.org/?p=platform/system/netd.git%3Ba=comm…](http://android.git.kernel.org/?p=platform/system/netd.git%3Ba=commit%3Bh=79b579c92afc08ab12c0a5788d61f2dd2934836f) - [android.git.kernel.org/?p=platform/system/core.git%3Ba=comm…](http://android.git.kernel.org/?p=platform/system/core.git%3Ba=commit%3Bh=b620a0b1c7ae486e979826200e8e441605b0a5d6) - [c-skills.blogspot.com/2011/04/yummy-yummy-gingerbreak.html](http://c-skills.blogspot.com/2011/04/yummy-yummy-gingerbreak.html) - [androidcommunity.com/gingerbreak-root-for-gingerbread-app-2…](http://androidcommunity.com/gingerbreak-root-for-gingerbread-app-20110421/) - [android.git.kernel.org/?p=platform/system/vold.git%3Ba=comm…](http://android.git.kernel.org/?p=platform/system/vold.git%3Ba=commit%3Bh=c51920c82463b240e2be0430849837d6fdc5352e) - [xorl.wordpress.com/2011/04/28/android-vold-mpartminors-sign…](http://xorl.wordpress.com/2011/04/28/android-vold-mpartminors-signedness-issue/) - [android-vold-priv-escalation(67977)](https://exchange.xforce.ibmcloud.com/vulnerabilities/67977) (exchange.xforce.ibmcloud.com) vdb-entry - [androidpolice.com/2011/05/03/google-patches-gingerbreak-exp…](http://www.androidpolice.com/2011/05/03/google-patches-gingerbreak-exploit-but-dont-worry-we-still-have-root-for-now/) - [forum.xda-developers.com/showthread.php?t=1044765](http://forum.xda-developers.com/showthread.php?t=1044765) ## Timeline 1. ID reserved Apr 20, 2011 2. Record published Jun 9, 2011 3. Added to CISA KEV Sep 8, 2022 4. Record last updated Oct 22, 2025 ## Look up another CVE ## About CubePath CubePath is a cloud provider with data centers in Europe and the United States. It offers VPS, bare metal servers and DDoS protection. [Cloud VPS](https://cubepath.com/vps) [DDoS protection](https://cubepath.com/ddos-protection) Data from the CVE Program (MITRE), CISA KEV and FIRST EPSS. CVSS is owned by FIRST and used by permission. Not affiliated with or endorsed by MITRE, CISA or FIRST. Data as of Nov 10, 2026, 19:27 UTC. [Sources and licenses](https://cubepath.com/security/cve/legal)