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CVE-2022-50185

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: fix potential buffer overflow in ni_set_mc_special_registers() The last case label can write two buffers 'mc_reg_ad…

Published Jun 18, 2025CWE-787EPSS 0.28%

Overview

CVE-2022-50185 is a high-severity vulnerability. It was published on June 18, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

drm/radeon: fix potential buffer overflow in ni_set_mc_special_registers()

The last case label can write two buffers 'mc_reg_address[j]' and

'mc_data[j]' with 'j' offset equal to SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE

since there are no checks for this value in both case labels after the

last 'j++'.

Instead of changing '>' to '>=' there, add the bounds check at the start

of the second 'case' (the first one already has it).

Also, remove redundant last checks for 'j' index bigger than array size.

The expression is always false. Moreover, before or after the patch

'table->last' can be equal to SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE and it

seems it can be a valid value.

Detected using the static analysis tool - Svace.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/136f614931a2bb73616b292cf542da3a18daefd5Refgit.kernel.org/stable/c/1f341053852be76f82610ce47a505d930512f05cRefgit.kernel.org/stable/c/782e413e38dffd37cc85b08b1ccb982adb4a93ceRefgit.kernel.org/stable/c/8508d6d23a247c29792ce2fc0df3f3404d6a6a80Refgit.kernel.org/stable/c/9faff03617afeced1c4e5daa89e79b3906374342Refgit.kernel.org/stable/c/db1a9add3f90ff1c641974d5bb910c16b87af4efRefgit.kernel.org/stable/c/deb603c5928e546609c0d5798e231d0205748943Refgit.kernel.org/stable/c/ea73869df6ef386fc0feeb28ff66742ca835b18f

How CyberStrike helps

Frequently asked questions

What is CVE-2022-50185?

CVE-2022-50185 is a high-severity vulnerability. It was published on June 18, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-50185?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-50185?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-50185?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-50185 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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