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I. Basic Information for CVE-2022-50484
Vulnerability Information

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Vulnerability Title
ALSA: usb-audio: Fix potential memory leaks
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix potential memory leaks When the driver hits -ENOMEM at allocating a URB or a buffer, it aborts and goes to the error path that releases the all previously allocated resources. However, when -ENOMEM hits at the middle of the sync EP URB allocation loop, the partially allocated URBs might be left without released, because ep->nurbs is still zero at that point. Fix it by setting ep->nurbs at first, so that the error handler loops over the full URB list.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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,该漏洞源于同步端点URB分配循环中内存分配失败时未完全释放资源,可能导致内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
LinuxLinux 8fdff6a319e7dac757c558bd283dc4577e68cde7 ~ 0604e5e5537af099ea2f6dfd892afe5c92db8a80 -
LinuxLinux 3.5 -
II. Public POCs for CVE-2022-50484
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III. Intelligence Information for CVE-2022-50484
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IV. Related Vulnerabilities
V. Comments for CVE-2022-50484

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