CVE-2012-4220

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-11-30 · updated 2026-06-16

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.

Affected products

Android: 2.3, 2.3-rev1, 2.3.1, 2.3.2, 2.3.3, 2.3.4 (+17)

References

http://www.kb.cert.org/vuls/id/702452
https://www.codeaurora.org/projects/security-advisories/multiple-issues-diagkgsl-system-call-handling-cve-2012-4220-cve-2012
http://www.kb.cert.org/vuls/id/702452
https://www.codeaurora.org/projects/security-advisories/multiple-issues-diagkgsl-system-call-handling-cve-2012-4220-cve-2012

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