{"id":"CVE-2017-8246","state":"PUBLISHED","title":"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","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.","publishedAt":"2017-05-12T20:00:00.000Z","updatedAt":"2024-08-05T16:27:23.233Z","severity":null,"assigner":"qualcomm","products":["Qualcomm, Inc. Android for MSM, Firefox OS for MSM, QRD Android"],"affected":[{"vendor":"Qualcomm, Inc.","product":"Android for MSM, Firefox OS for MSM, QRD Android","versions":[{"version":"All Android releases from CAF using the Linux kernel","status":"affected"}]}],"references":["https://source.android.com/security/bulletin/2017-07-01","https://www.codeaurora.org/use-after-free-alsa-pcm-playback-kernel-module-cve-2017-8246"],"weaknesses":[],"ingestedAt":"2026-10-29T19:43:57.959Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2017/8xxx/CVE-2017-8246.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2017-8246","state":"PUBLISHED","datePublished":"2017-05-12T20:00:00.000Z","dateUpdated":"2024-08-05T16:27:23.233Z","assignerShortName":"qualcomm","assignerOrgId":"2cfc7d3e-20d3-47ac-8db7-1b7285aff15f","dateReserved":"2017-04-25T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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":[{"vendor":"Qualcomm, Inc.","product":"Android for MSM, Firefox OS for MSM, QRD Android","versions":[{"version":"All Android releases from CAF using the Linux kernel","status":"affected"}]}],"references":[{"url":"https://source.android.com/security/bulletin/2017-07-01","tags":["x_refsource_CONFIRM"]},{"url":"https://www.codeaurora.org/use-after-free-alsa-pcm-playback-kernel-module-cve-2017-8246","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"Use-After-Free in ALSA PCM Playback Kernel Module (CVE-2017-8246)","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"qualcomm","dateUpdated":"2017-07-12T15:57:01.000Z","orgId":"2cfc7d3e-20d3-47ac-8db7-1b7285aff15f"},"datePublic":"2017-05-01T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"product-security@qualcomm.com","ID":"CVE-2017-8246","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Android for MSM, Firefox OS for MSM, QRD Android","version":{"version_data":[{"version_value":"All Android releases from CAF using the Linux kernel"}]}}]},"vendor_name":"Qualcomm, Inc."}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Use-After-Free in ALSA PCM Playback Kernel Module (CVE-2017-8246)"}]}]},"references":{"reference_data":[{"name":"https://source.android.com/security/bulletin/2017-07-01","refsource":"CONFIRM","url":"https://source.android.com/security/bulletin/2017-07-01"},{"name":"https://www.codeaurora.org/use-after-free-alsa-pcm-playback-kernel-module-cve-2017-8246","refsource":"CONFIRM","url":"https://www.codeaurora.org/use-after-free-alsa-pcm-playback-kernel-module-cve-2017-8246"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://source.android.com/security/bulletin/2017-07-01","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://www.codeaurora.org/use-after-free-alsa-pcm-playback-kernel-module-cve-2017-8246","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T16:27:23.233Z"}}]}}}