CVE-2018-19939

The Goodix GT9xx touchscreen driver for custom Linux kernels on Xiaomi daisy-o-oss Mi A2 Lite and RedMi6 pro devices through 2018-08-27 has a NULL pointer dereference in kfree after a kmalloc failure in gtp_read_Color in drivers/input/touchscreen/gt917d/gt9xx.c.

Source: CVE-2018-19939