CVE-2017-8246 (CNNVD-201704-1439)
中文标题:
Android ALSA PCM Playback Kernel Module 安全漏洞
英文标题:
In function msm_pcm_playback_close() in all Android releases from CAF using the Linux kernel, prtd i...
漏洞描述
中文描述:
Android是美国谷歌(Google)公司和开放手持设备联盟(简称OHA)共同开发的一套以Linux为基础的开源操作系统。ALSA PCM Playback Kernel Module是其中的一个音频播放内核模块。 Android中的ALSA PCM Playback Kernel Module的‘msm_pcm_playback_close()’函数存在安全漏洞。攻击者可利用该漏洞造成拒绝服务。
英文描述:
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.
CWE类型:
标签:
受影响产品
| 厂商 | 产品 | 版本 | 版本范围 | 平台 | CPE |
|---|---|---|---|---|---|
| Qualcomm, Inc. | Android for MSM, Firefox OS for MSM, QRD Android | All Android releases from CAF using the Linux kernel | - | - |
cpe:2.3:a:qualcomm,_inc.:android_for_msm,_firefox_os_for_msm,_qrd_android:all_android_releases_from_caf_using_the_linux_kernel:*:*:*:*:*:*:*
|
| android | - | - | - |
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
|
解决方案
中文解决方案:
英文解决方案:
临时解决方案:
CVSS评分详情
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
时间信息
利用信息
数据源详情
| 数据源 | 记录ID | 版本 | 提取时间 |
|---|---|---|---|
| CVE | cve_CVE-2017-8246 |
2025-11-11 15:19:32 | 2025-11-11 07:34:53 |
| NVD | nvd_CVE-2017-8246 |
2025-11-11 14:55:28 | 2025-11-11 07:43:30 |
| CNNVD | cnnvd_CNNVD-201704-1439 |
2025-11-11 15:09:48 | 2025-11-11 07:52:58 |
版本与语言
安全公告
变更历史
查看详细变更
- vulnerability_type: 未提取 -> 资源管理错误
- cnnvd_id: 未提取 -> CNNVD-201704-1439
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
查看详细变更
- severity: SeverityLevel.MEDIUM -> SeverityLevel.HIGH
- cvss_score: 未提取 -> 7.8
- cvss_vector: NOT_EXTRACTED -> CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- cvss_version: NOT_EXTRACTED -> 3.1
- affected_products_count: 1 -> 2
- data_sources: ['cve'] -> ['cve', 'nvd']