Memory Leak Vulnerability in Linux Kernel (CVE-2023-53120)
Summary
CVE-2023-53120: In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix config page DMA memory leak A fix for: DMA-API: pci 0000:83:00.0: device driver has pending DMA allocations while released from device... 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 the core component of the Linux operating system, responsible for managing hardware resources and providing essential services to software applications. It is widely used in various environments, from servers to embedded systems. The kernel's stability and security are paramount, as vulnerabilities can lead to severe system malfunctions or security breaches. This specific vulnerability affects the SCSI (Small Computer System Interface) subsystem, particularly the mpi3mr driver, which is responsible for managing SCSI devices.
Vulnerability Detail
CVE-2023-53120 is a vulnerability in the Linux kernel that involves a DMA (Direct Memory Access) memory leak in the mpi3mr driver. This issue arises when the device driver has pending DMA allocations while being released from the device, leading to potential memory exhaustion and system instability. If exploited, this vulnerability could allow an attacker to cause a denial of service or potentially execute arbitrary code, compromising the integrity and availability of the system.
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 have been documented for this vulnerability. It is recommended to apply the patch as soon as it is available to mitigate the risk.
Conclusion
CVE-2023-53120 is a significant vulnerability in the Linux kernel that can lead to memory leaks and system instability. Users are strongly advised to update their systems to the latest patched version to ensure security and stability. Utilizing tools like Vulert can help monitor and manage vulnerabilities effectively.
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FAQ
CVE-2023-53120 is a vulnerability in the Linux kernel related to a memory leak in the mpi3mr driver, which can lead to system instability.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. By using the Vulert playground, you can check if your application is affected by this vulnerability without any signup.
The vulnerability could lead to memory exhaustion, denial of service, or even arbitrary code execution, compromising system integrity and availability.
Yes, a patch is available in version 6.1.25-1 for both Debian 12 and Debian 13. Users should update their Linux kernel to this version.
While no specific workarounds are available, it is crucial to prioritize updating to the patched version to mitigate risks associated with this vulnerability.
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