CVE-2022-50524
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-07

Last updated on: 2026-03-17

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Check return value after calling platform_get_resource() platform_get_resource() may return NULL pointer, we need check its return value to avoid null-ptr-deref in resource_size().
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Meta Information
Published
2025-10-07
Last Modified
2026-03-17
Generated
2026-06-16
AI Q&A
2025-10-07
EPSS Evaluated
2026-06-14
NVD
CVE-2022-50524
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-476 The product dereferences a pointer that it expects to be valid but is NULL.
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Executive Summary

This vulnerability occurs in the Linux kernel's Mediatek IOMMU driver where the function platform_get_resource() may return a NULL pointer. The code did not check the return value before using it, which could lead to a null pointer dereference in the resource_size() function. The vulnerability has been resolved by adding a check for the return value of platform_get_resource() to prevent this null pointer dereference.

Impact Analysis

If exploited, this vulnerability could cause the Linux kernel to dereference a NULL pointer, potentially leading to a kernel crash or system instability. This could result in denial of service or unexpected behavior on affected systems.

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