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I. Basic Information for CVE-2022-49498
Vulnerability Information

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Vulnerability Title
ALSA: pcm: Check for null pointer of pointer substream before dereferencing it
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Check for null pointer of pointer substream before dereferencing it Pointer substream is being dereferenced on the assignment of pointer card before substream is being null checked with the macro PCM_RUNTIME_CHECK. Although PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the the pointer check before card is assigned.
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PCM子流指针在解引用前未进行空指针检查。
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 95b30a4312545f2dde9db12bf6a425f35d5a0d77 ~ b2421a196cb0911ea95aec1050a0b830464c8fa6 -
LinuxLinux 5.6 -
II. Public POCs for CVE-2022-49498
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III. Intelligence Information for CVE-2022-49498
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IV. Related Vulnerabilities
V. Comments for CVE-2022-49498

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