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CVE-2012-4221

N/A

Published: November 30, 2012 at 11:00 AM UTC

Updated: June 16, 2026 at 11:44 PM UTC

1 product affected across 1 vendorAndroid

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Severity

N/A

Exploit prediction

EPSS 2%

Description

Integer overflow in 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 via an application that uses crafted arguments in a local diagchar_ioctl call.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Android · Google

95%

2.3 2.3 rev1 2.3.1 2.3.2 2.3.3 2.3.4 2.3.5 2.3.6 2.3.7 3.0 3.1 3.2 3.2.1 3.2.2 3.2.4 3.2.6 4.0 4.0.1 4.0.2 4.0.3 4.0.4 4.1 4.2

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Third Party Advisoryx_refsource_CERT-VNUS Government Resource

Source: [email protected]

http://www.kb.cert.org/vuls/id/702452

x_refsource_CONFIRM

Source: [email protected]

https://www.codeaurora.org/projects/security-advisories/multiple-issues-diagkgsl-system-call-handling-cve-2012-4220-cve-2012

CVSS

6.8MEDIUM[email protected]

Confidentiality: PARTIAL
Integrity: PARTIAL
Availability: PARTIAL

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-189

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