CVE-2011-1823 Android OS Privilege Escalation

What is CVE-2011-1823?

CVE-2011-1823 is a high-severity vulnerability in Google Android, published on 9 Jun 2011. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-190

Which versions are affected by CVE-2011-1823?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2011-1823?

No fix has been published for CVE-2011-1823 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 29 Sep 2022.

Is CVE-2011-1823 being exploited?

Yes. Attackers have exploited CVE-2011-1823 in the wild since at least 8 Sep 2022.

Other vulnerabilities in Google Android

• CVE-2026-58704 Google Pixel Improper Authorization Exploited High 8.8
• CVE-2025-48543 Android Runtime Use-After-Free Exploited High 8.8
• CVE-2023-35674 Android Framework Privilege Escalation Exploited High 8.8
• CVE-2025-48595 Android Framework Integer Overflow Exploited High 8.4
• CVE-2024-32896 Android Pixel Privilege Escalation Exploited High 8.1

All Google Android vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3hj2-5cwp-2349.