# CVE-2011-1823: Android OS Privilege Escalation Vulnerability

Source: https://junglewise.ai/threats/cve-2011-1823-android-os-privilege-escalation-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-09-08. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2011-1823 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-09-08

The vold volume manager daemon in Android trusts messages from a PF_NETLINK socket, allowing local users to execute arbitrary code and gain root privileges. The vulnerability stems from a signedness error in the DirectVolume::handlePartitionAdded method where a negative index bypasses a maximum-only integer check, leading to memory corruption.

Vendors: [Android](https://junglewise.ai/threats/vendors/android).

## Quick answers

**Is CVE-2011-1823 exploited in the wild?** Yes. CVE-2011-1823 is known to be exploited in the wild, first recorded on 8 September 2022. Treat it as urgent.

**How severe is CVE-2011-1823?** Critical severity, with a CVSS score of 7.8, published 8 September 2022.

**Which products and versions are affected?** Google Android 2.x before 2.3.4, 3.0.

**Is there a fix for CVE-2011-1823?** A patch was published on 2011-05-03: Google patches GingerBreak exploit Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2011-1823 attacked?** It is attacked with local access, in an operating system.

**Am I affected by CVE-2011-1823?** Check whether you run Android OS. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Google Android 2.x before 2.3.4, 3.0

## Timeline

- 2011-04-21: exploited: GingerBreak exploit released
- 2011-05-03: patched: Google patches GingerBreak exploit
- 2022-09-08: kev added: Added to CISA Known Exploited Vulnerabilities Catalog