CISA KEV · Known exploitedHigh

CVE-2011-1823

Android Android OS

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: 7.8
EPSS: 41.6%
CISA KEV: Listed
Published: 2011.06.09

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability41.6%

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: Android Android OS
Affected versions: >= 2.0 < 2.3.4, 3.0
Fixed versions: 2.3.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply updates per vendor instructions.

Due date: 2022.09.29

1
Identify
Confirm that Android Android OS and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-189, CWE-190
KEV added: 2022.09.08
Ransomware use: 미확인