CVE-2017-8246

CVE-2017-8246 concerns the Android CAF ALSA PCM Playback Kernel Module. In msm_pcm_playback_close(), prtd is assigned from substream->runtime->private_data and later freed, but not sanitized to NULL; this creates a dangling pointer. Other code paths (e.g., msm_pcm_volume_ctl_put()) check fo...

CVE-2017-8246: Use After Free

In function msmpcmplaybackclose in all Android releases from CAF using the Linux kernel, prtd is assigned substream-runtime-privatedata. Later, prtd is freed. However, prtd is not sanitized and set to NULL, resulting in a dangling pointer. There are other functions that access the same memory...