CVE-2012-4220
diagchar_core.c in the Qualcomm Innovation Center (QuIC) Diagnostics (aka DIAG) kernel-mode...
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.
- Severity
- 6.8 MediumCVSS 2.0, NVD
- Exploit chance
- 2.96%EPSS, 87th percentile
- Exploitation
- None known2 public exploits
- Fixed in
- No fix listedNo source names one
Description
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
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 |
What each source reports
NVD Score used 6.8
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 ListNo 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-2012-4164No 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-2cmxNo 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
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.