Array Overflow in MSM V4L2 Video Driver Allows Kernel Memory Corruption (CVE-2016-2061)

Release Date:

June 6, 2016

Affected Projects:

Android for MSMFirefox OS for MSMQRD Android

Advisory ID:

QCIR-2016-00014-1

CVE ID(s):

CVE-2016-2061

Summary:

CVE-2016-2061 In function msm_isp_axi_create_stream, the upper bound of stream source is compared against VFE_AXI_SRC_MAX, however the operation is signed, so an invalid value between -1 to INT_MIN can still pass the check, and results in the invalid value used as an index.

Access Vector: Local

Security Risk: High

Access Vector: Local

Affected Versions:

All Android releases from CAF using the Linux kernel.

Patch:

We advise customers to apply the following patches:

Individual Patches

 

• https://us.codeaurora.org/cgit/quic/la//kernel/msm-3.18/commit/?id=79db14ca9f791a14be9376a0340ad3b9b9a4d603

 

Acknowledgement:

This issue has been reported to Google by an external researcher. We thank Google for bringing this issue to our attention.

Revisions:

Initial revision

Contact: