CVE-2026-43183
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Resource Leak in Linux Kernel cx25821 Driver

Publication date: 2026-05-06

Last updated on: 2026-05-06

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: media: cx25821: Fix a resource leak in cx25821_dev_setup() Add release_mem_region() if ioremap() fails to release the memory region obtained by cx25821_get_resources().
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Meta Information
Published
2026-05-06
Last Modified
2026-05-06
Generated
2026-05-07
AI Q&A
2026-05-06
EPSS Evaluated
N/A
NVD
CVE-2026-43183
EUVD
EUVD-2026-27745
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
linux linux_kernel *
linux_kernel linux_kernel *
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is a resource leak in the Linux kernel's media driver for cx25821 devices. Specifically, the function cx25821_dev_setup() did not properly release a memory region if the ioremap() call failed. The fix involves adding a call to release_mem_region() to ensure that the memory region obtained by cx25821_get_resources() is released when ioremap() fails.


How can this vulnerability impact me? :

A resource leak in the kernel can lead to inefficient use of system resources, potentially causing system instability or degraded performance over time. If memory regions are not properly released, it could eventually exhaust available resources, affecting the reliability of the system.


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