CVE-2023-53115 scsi: mpi3mr: Fix memory leaks in mpi3mr_init_ioc()

Medium 5.5 Published Updated

A memory leak in the Linux kernel's mpi3mr driver during IOC reinitialization can lead to resource exhaustion and denial of service.

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-2023-53115?

CVE-2023-53115 is a medium-severity denial of service vulnerability in Linux kernel, published on 2 May 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:

scsi: mpi3mr: Fix memory leaks in mpi3mr_init_ioc()

Don't allocate memory again when IOC is being reinitialized.

Weakness: CWE-401

Which versions are affected by CVE-2023-53115?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-53115?

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-2023-53115 being exploited?

There is no known exploitation of CVE-2023-53115 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2023-53115, DEBIAN-CVE-2023-53115, GHSA-7hrx-2h6p-x7pc, ROOT-OS-UBUNTU-2204-CVE-2023-53115, UBUNTU-CVE-2023-53115.

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