CVE-2022-50281 MIPS: SGI-IP27: Fix platform-device leak in bridge_platform_create()

Medium 5.5 Published Updated

A memory leak in the Linux kernel MIPS SGI-IP27 driver allows attackers to cause denial of service by exhausting system memory.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2022-50281?

CVE-2022-50281 is a medium-severity memory corruption vulnerability in Linux kernel, published on 15 Sep 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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

MIPS: SGI-IP27: Fix platform-device leak in bridge_platform_create()

In error case in bridge_platform_create after calling platform_device_add()/platform_device_add_data()/ platform_device_add_resources(), release the failed 'pdev' or it will be leak, call platform_device_put() to fix this problem.

Besides, 'pdev' is divided into 'pdev_wd' and 'pdev_bd', use platform_device_unregister() to release sgi_w1 resources when xtalk-bridge registration fails.

Weakness: CWE-401

Which versions are affected by CVE-2022-50281?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2022-50281?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-50281 being exploited?

There is no known exploitation of CVE-2022-50281 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-50281, GHSA-4cq8-42w3-9m79, UBUNTU-CVE-2022-50281.

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