CVE-2011-1823
highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.414 · 99 %ileEUUSadded 2022-09-08remediate by 2022-09-29
required action Apply updates per vendor instructions.
EPSS · scored 2026-10-27
Android OS Privilege Escalation Vulnerability
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (27)
External citations — patches, advisories, analysis.
- http://android.git.kernel.org/?p=platform/system/core.git;a=commit;h=b620a0b1c7ae486e979826200e8e441605b0a5d6cnnvd
- http://android.git.kernel.org/?p=platform/system/netd.git;a=commit;h=79b579c92afc08ab12c0a5788d61f2dd2934836fcnnvd
- http://android.git.kernel.org/?p=platform/system/vold.git;a=commit;h=c51920c82463b240e2be0430849837d6fdc5352ecnnvd
- http://androidcommunity.com/gingerbreak-root-for-gingerbread-app-20110421/cnnvd
- http://c-skills.blogspot.com/2011/04/yummy-yummy-gingerbreak.htmlcnnvd
- http://forum.xda-developers.com/showthread.php?t=1044765cnnvd
- http://www.androidpolice.com/2011/05/03/google-patches-gingerbreak-exploit-but-dont-worry-we-still-have-root-for-now/cnnvd
- http://xorl.wordpress.com/2011/04/28/android-vold-mpartminors-signedness-issue/cnnvd
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