Memory Leak Vulnerability in Linux Kernel's SCSI MPI3MR Package
Summary
CVE-2023-53126: 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. Affects linux versions < 6.1.25-1. Fixed in 6.1.25-1. How to fix ↓
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Background
The Linux kernel is a core component of many operating systems, providing essential services for hardware management and system operations. The SCSI MPI3MR (Message Passing Interface) driver is responsible for managing SCSI devices, facilitating communication between the operating system and storage devices. This driver is crucial for ensuring data integrity and performance in systems that rely on SCSI technology. However, vulnerabilities in this driver can lead to significant issues, including memory leaks, which can degrade system performance and stability.
Vulnerability Detail
The vulnerability identified as CVE-2023-53126 pertains to a memory leak in the SCSI MPI3MR driver, specifically within the mpi3mr_remove() function. This issue arises when the driver fails to free allocated memory for the sas_hba.phy structure upon removal, leading to a potential memory leak. If exploited, this vulnerability could result in increased memory consumption, ultimately affecting system performance and potentially leading to denial of service conditions. The vulnerability has been resolved in version 6.1.25-1 of the affected package.
How To Fix
Minimum fixed version
6.1.25-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade linuxTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, no specific workarounds are provided for this vulnerability. The best course of action is to apply the patch by updating to the fixed version of the package.
Conclusion
CVE-2023-53126 is a critical memory leak vulnerability in the Linux kernel's SCSI MPI3MR driver that can impact system performance. Users are strongly encouraged to update to the patched version 6.1.25-1 to ensure their systems remain secure and efficient. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
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FAQ
CVE-2023-53126 is a vulnerability in the Linux kernel's SCSI MPI3MR driver that causes a memory leak when the driver is removed.
This vulnerability can lead to increased memory usage, potentially degrading system performance and causing denial of service.
You can use tools like Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected.
Yes, a patch is available in version 6.1.25-1 of the Linux package. Updating to this version will resolve the issue.
While no specific workarounds are available, it is advisable to prioritize updating your system to mitigate the risk associated with this vulnerability.
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