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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.
| Reporter | Title | Published | Views | Family All 8 |
|---|---|---|---|---|
 | CVE-2017-8246 affecting package kernel 5.4.51-11 | 25 Aug 202119:57 | – | cbl_mariner |
 | Android ALSA PCM Playback Kernel Module Memory Misreference Vulnerability | 27 May 201700:00 | – | cnvd |
 | CVE-2017-8246 | 12 May 201720:00 | – | cve |
 | CVE-2017-8246 | 12 May 201720:00 | – | cvelist |
 | CVE-2017-8246 | 12 May 201720:00 | – | debiancve |
 | EUVD-2017-17208 | 7 Oct 202500:30 | – | euvd |
 | CVE-2017-8246 | 12 May 201720:29 | – | nvd |
 | Null pointer dereference | 12 May 201720:29 | – | prion |
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25 Sep 2020 07:00Current
7High risk
Vulners AI Score7
CVSS 24.6
CVSS 3.17.8
EPSS0.00032