CVE-2020-36786 media: [next] staging: media: atomisp: fix memory leak of object flash

Medium 5.5 Published Updated

A memory leak in the Linux kernel atomisp driver allows attackers to cause a denial of service by triggering an error path that fails to free 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-2020-36786?

CVE-2020-36786 is a medium-severity denial of service vulnerability in Linux kernel, published on 28 Feb 2024. 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:

media: [next] staging: media: atomisp: fix memory leak of object flash

In the case where the call to lm3554_platform_data_func returns an error there is a memory leak on the error return path of object flash. Fix this by adding an error return path that will free flash and rename labels fail2 to fail3 and fail1 to fail2.

Weakness: CWE-401

Which versions are affected by CVE-2020-36786?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2020-36786?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-36786 being exploited?

There is no known exploitation of CVE-2020-36786 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2020-36786, GHSA-32cf-6454-vhqx, UBUNTU-CVE-2020-36786.

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