CVE-2023-53014 dmaengine: tegra: Fix memory leak in terminate_all()

Medium 5.5 Published Updated

A memory leak in the Linux kernel's Tegra DMA engine driver allows attackers to cause a 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-2023-53014?

CVE-2023-53014 is a medium-severity denial of service vulnerability in Linux kernel, published on 27 Mar 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:

dmaengine: tegra: Fix memory leak in terminate_all()

Terminate vdesc when terminating an ongoing transfer. This will ensure that the vdesc is present in the desc_terminated list The descriptor will be freed later in desc_free_list().

This fixes the memory leaks which can happen when terminating an ongoing transfer.

Weakness: CWE-401

Which versions are affected by CVE-2023-53014?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-53014?

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-2023-53014 being exploited?

There is no known exploitation of CVE-2023-53014 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2023-53014, DEBIAN-CVE-2023-53014, GHSA-v3mg-hw7c-8v25, UBUNTU-CVE-2023-53014.

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