CVE-2022-50568 (CNNVD-202510-3119)
中文标题:
Linux kernel 安全漏洞
英文标题:
usb: gadget: f_hid: fix f_hidg lifetime vs cdev
漏洞描述
中文描述:
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于f_hidg生命周期与cdev不匹配，可能导致释放后重用。
英文描述:
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_hid: fix f_hidg lifetime vs cdev The embedded struct cdev does not have its lifetime correctly tied to the enclosing struct f_hidg, so there is a use-after-free if /dev/hidgN is held open while the gadget is deleted. This can readily be replicated with libusbgx's example programs (for conciseness - operating directly via configfs is equivalent): gadget-hid exec 3<> /dev/hidg0 gadget-vid-pid-remove exec 3<&- Pull the existing device up in to struct f_hidg and make use of the cdev_device_{add,del}() helpers. This changes the lifetime of the device object to match struct f_hidg, but note that it is still added and deleted at the same time.
CWE类型:
标签:
受影响产品
| 厂商 | 产品 | 版本 | 版本范围 | 平台 | CPE |
|---|---|---|---|---|---|
| Linux | Linux | - | < 1cd7f156f6389918f760687fbbf133c86da93162 | - |
cpe:2.3:a:linux:linux:*:*:*:*:*:*:*:*
|
| Linux | Linux | 2.6.35 | - | - |
cpe:2.3:a:linux:linux:2.6.35:*:*:*:*:*:*:*
|
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
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-2022-50568 |
2025-11-11 15:21:45 | 2025-11-11 07:37:58 |
| NVD | nvd_CVE-2022-50568 |
2025-11-11 14:58:37 | 2025-11-11 07:46:09 |
| CNNVD | cnnvd_CNNVD-202510-3119 |
2025-11-11 15:13:01 | 2025-11-11 08:00:18 |
版本与语言
安全公告
变更历史
查看详细变更
- vulnerability_type: 未提取 -> 其他
- severity: SeverityLevel.MEDIUM -> SeverityLevel.UNKNOWN
- cvss_score: 未提取 -> 0.0
- cnnvd_id: 未提取 -> CNNVD-202510-3119
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
查看详细变更
- affected_products_count: 8 -> 2
- data_sources: ['cve'] -> ['cve', 'nvd']