What’s Vulnerable › Vulnerabilities

CVE-2022-50524: iommu/mediatek: Check return value after calling platform_get_resource()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-07 · updated 2026-06-17
• Weakness: CWE-476

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().

Affected products

• Linux kernel: from 5.19 before 6.0.16; from 6.1 before 6.1.2 — fixed in 6.0.16, 6.1.2

How to fix

Upgrade to a fixed version: Linux kernel 6.0.16, 6.1.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/73b6924cdebc899de9b719e1319aa86c6bed4acf
• https://git.kernel.org/stable/c/bfebf05883cdcf9ac983033987fae869bd59ca53
• https://git.kernel.org/stable/c/feca904412483b2e0a903dd1f2e2843afd445f8c

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