CVE-2022-50524: linux kernel Null Dereference — Fix

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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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
linux	linux_kernel	5.19 — 6.0.16
linux	linux_kernel	6.1 — 6.1.2

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2022-50524? +

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(). It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-50524? +

CVE-2022-50524 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2022-50524? +

CVE-2022-50524 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2022-50524? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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