Vulnerability Monitor

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CVE-2012-4220

diagchar_core.c in the Qualcomm Innovation Center (QuIC) Diagnostics (aka DIAG) kernel-mode driver for Android 2.3 through 4.2 allows attackers to execute arbitrary code or cause a denial of service (incorrect pointer dereference) via an application that uses crafted arguments in a local diagchar_ioctl call.

Security Impact Summary

CVE-2012-4220 is a security vulnerability that . Impacting 1 product from google organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2012, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2012-11-30T12:54:16.657

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 6.8 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	google	android	2.3	Yes
Operating System	google	android	2.3	Yes
Operating System	google	android	2.3.1	Yes
Operating System	google	android	2.3.2	Yes
Operating System	google	android	2.3.3	Yes
Operating System	google	android	2.3.4	Yes
Operating System	google	android	2.3.5	Yes
Operating System	google	android	2.3.6	Yes
Operating System	google	android	2.3.7	Yes
Operating System	google	android	3.0	Yes
Operating System	google	android	3.1	Yes
Operating System	google	android	3.2	Yes
Operating System	google	android	3.2.1	Yes
Operating System	google	android	3.2.2	Yes
Operating System	google	android	3.2.4	Yes
Operating System	google	android	3.2.6	Yes
Operating System	google	android	4.0	Yes
Operating System	google	android	4.0.1	Yes
Operating System	google	android	4.0.2	Yes
Operating System	google	android	4.0.3	Yes
Operating System	google	android	4.0.4	Yes
Operating System	google	android	4.1	Yes
Operating System	google	android	4.2	Yes

References

http://www.kb.cert.org/vuls/id/702452 US Government Resource ([email protected])
https://www.codeaurora.org/projects/security-advisories/multiple-issues-diagkgsl-system-call-handling-cve-2012-4220-cve-2012 ([email protected])
http://www.kb.cert.org/vuls/id/702452 US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
https://www.codeaurora.org/projects/security-advisories/multiple-issues-diagkgsl-system-call-handling-cve-2012-4220-cve-2012 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For google's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.