CVE-2026-43257
Memory Leak in Linux Kernel cx88 Media Driver
Publication date: 2026-05-06
Last updated on: 2026-05-06
Assigner: kernel.org
Description
Description
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is in the Linux kernel's media subsystem, specifically in the cx88 driver. It involves a missing unmap operation in the function snd_cx88_hw_params(). In an error path, the function cx88_alsa_dma_unmap() was not called to release resources that were previously acquired by cx88_alsa_dma_map(). This means that when an error occurs, the allocated resources are not properly freed.
How can this vulnerability impact me? :
Because the vulnerability causes resources to not be released properly in error conditions, it can lead to resource leaks. Over time, this could degrade system performance or stability, potentially causing crashes or denial of service due to exhausted resources.