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Unrated severityNVD Advisory· Published Nov 30, 2012· Updated Jun 16, 2026

CVE-2012-4221

CVE-2012-4221

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

24
  • Google/Android23 versions
    cpe:2.3:o:google:android:2.3:*:*:*:*:*:*:*+ 22 more
    • cpe:2.3:o:google:android:2.3:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:2.3.1:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:2.3.2:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:2.3.3:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:2.3.4:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:2.3.5:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:2.3.6:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:2.3.7:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:2.3:rev1:*:*:*:*:*:*
    • cpe:2.3:o:google:android:3.0:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:3.1:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:3.2:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:3.2.1:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:3.2.2:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:3.2.4:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:3.2.6:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:4.0:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:4.0.1:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:4.0.2:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:4.0.3:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:4.0.4:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:4.1:*:*:*:*:*:*:*
    • cpe:2.3:o:google:android:4.2:*:*:*:*:*:*:*
  • Qualcomm/Diagnostics (DIAG) kernel-mode driverllm-create

Patches

Vulnerability mechanics

References

2

News mentions

0

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