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CVE-2017-8246 In function msm_pcm_playback_close() in all Android releases from CAF using the Linux kernel, prtd is assigned…
Description
In function msm_pcm_playback_close() in all Android releases from CAF using the Linux kernel, prtd is assigned substream->runtime->private_data. 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 (substream->runtime->private_data) with a NULL check, such as msm_pcm_volume_ctl_put(), which means this freed memory could be used.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Android for MSM, Firefox OS for MSM, QRD Android | Versions not published |
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