CVE-2022-50866
Unknown
Unknown - Not Provided
Null Pointer Dereference in Linux ASoC pxa Filter Function
Publication date: 2025-12-30
Last updated on: 2025-12-30
Assigner: kernel.org
Description
Description
In the Linux kernel, the following vulnerability has been resolved:
ASoC: pxa: fix null-pointer dereference in filter()
kasprintf() would return NULL pointer when kmalloc() fail to allocate.
Need to check the return pointer before calling strcmp().
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | * |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a null-pointer dereference in the Linux kernel's ASoC pxa filter() function. It occurs because the function kasprintf() can return a NULL pointer if kmalloc() fails to allocate memory. The code did not check if the pointer was NULL before calling strcmp(), which can lead to a null-pointer dereference and potentially cause a kernel crash.
How can this vulnerability impact me? :
This vulnerability can cause the Linux kernel to crash due to a null-pointer dereference, leading to a denial of service. This can affect system stability and availability.
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