CVE-2012-4220
diagchar_core.c in the Qualcomm Innovation Center (QuIC) Diagnostics (aka DIAG) kernel-mode...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2012-4220- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-4220- Updated
- 2026-11-02
EUVDEUVD-2012-4164 No score
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.
- Record
EUVD-2012-4164- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h6p8-6hpv-2cmx No score
diagchar_core.c in the Qualcomm Innovation Center (QuIC) Diagnostics (aka DIAG) kernel-mode...
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.
- Record
GHSA-h6p8-6hpv-2cmx- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | hiikezoe/diaggetroot | 2013-01-07 |
| PoC in GitHub | poliva/root-zte-open | 2013-07-05 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-4220 is a medium vulnerability (CVSS 6.8) in Google Android, published November 30, 2012. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.96%, the 87th percentile. No source names a fixed version.