Linux Kernel up to 6.1.20/6.2.7 scsi mpi3mr_init_ioc memory leak

Summaryinfo

A vulnerability described as critical has been identified in Linux Kernel up to 6.1.20/6.2.7. Impacted is the function mpi3mr_init_ioc of the component scsi. Executing a manipulation can lead to memory leak. This vulnerability is tracked as CVE-2023-53115. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.1.20/6.2.7. It has been declared as critical. This vulnerability affects the function mpi3mr_init_ioc of the component scsi. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. CVE summarizes:

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.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2023-53115 since 05/02/2025. There are known technical details, but no exploit is available.

Upgrading to version 6.1.21 or 6.2.8 eliminates this vulnerability. Applying the patch 5aab9342f12f980b64617a034d121efbbf09100a/7277b4eec2f25a0653646ba95b1f25fa16be1d6c/c798304470cab88723d895726d17fcb96472e0e9 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 vulnerability database at CERT Bund (WID-SEC-2025-0932). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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