SARA / Free Tools / CVE / CVE-2011-1823

CVE-2011-1823 — 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

CVSS
EPSS
34.38% (top 3.10%)
CWE
Published
2011-06-09T10:00:00.000Z
Last modified
2025-10-22T00:05:49.671Z
CVSS vector
CISA KEV — Actively Exploited
Added to KEV
2022-09-08
BOD 22-01 due
2022-09-29
Ransomware use
Unknown

01What is this 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.

02Affected products

VendorProductVersions
na / n/an/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-09-08. Ransomware use: Unknown.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

09References

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