Description
The wcdcal_hwdep_ioctl_shared function in sound/soc/codecs/wcdcal-hwdep.c in the Qualcomm sound codec in Android before 2016-09-05 on Nexus 6P devices does not properly copy firmware data, which allows attackers to obtain sensitive information via a crafted application, aka Android internal bug 29512527 and Qualcomm internal bug CR856400.
Exploits (1)
github
WORKING POC
682 stars
by ScottyBauer · cpoc
https://github.com/ScottyBauer/Android_Kernel_CVE_POCs/tree/master/CVE-2016-3893.c
References (4)
Core 4
Core References
Vendor Advisory x_refsource_confirm
http://source.android.com/security/bulletin/2016-09-01.html
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1036763
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/92884
Issue Tracking, Patch x_refsource_confirm
https://source.codeaurora.org/quic/la/kernel/msm-3.10/commit/?id=a7a6ddc91cce7ad5ad55c9709b24bfc80f5ac873
Scores
CVSS v3
5.5
EPSS
0.0011
EPSS Percentile
29.2%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Details
CWE
CWE-200
Status
published
Products (1)
google/android
< 7.0
Published
Sep 11, 2016
Tracked Since
Feb 18, 2026