Linux Kernel up to 6.1.20/6.2.7 scsi mpi3mr_remove memory leak

Summaryinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.1.20/6.2.7. This impacts the function mpi3mr_remove of the component scsi. Such manipulation leads to memory leak. This vulnerability is documented as CVE-2023-53126. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.1.20/6.2.7. Affected by this issue is the function mpi3mr_remove of the component scsi. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix sas_hba.phy memory leak in mpi3mr_remove() Free mrioc->sas_hba.phy at .remove.

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2023-53126 since 05/02/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 247346 (Linux Distros Unpatched Vulnerability : CVE-2023-53126), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.1.21 or 6.2.8 eliminates this vulnerability. Applying the patch 480aae2f30637b5140e9c7a9b10298e538df2b5e/c60a7c7508645a9f36e4a18a5f548fb79378acd1/d4caa1a4255cc44be56bcab3db2c97c632e6cc10 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (247346) and CERT Bund (WID-SEC-2025-0932). Once again VulDB remains the best source for vulnerability data.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• SUSE openSUSE
• RESF Rocky Linux
• Dell Avamar
• Open Source Linux Kernel
• Dell NetWorker
• Dell Secure Connect Gateway
• IBM QRadar SIEM

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3
• 6.1.4
• 6.1.5
• 6.1.6
• 6.1.7
• 6.1.8
• 6.1.9
• 6.1.10
• 6.1.11
• 6.1.12
• 6.1.13
• 6.1.14
• 6.1.15
• 6.1.16
• 6.1.17
• 6.1.18
• 6.1.19
• 6.1.20
• 6.2.0
• 6.2.1
• 6.2.2
• 6.2.3
• 6.2.4
• 6.2.5
• 6.2.6
• 6.2.7

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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