Kernel Panic Risk in Linux Package Due to Data Transmission Oversize - CVE-2024-41026
Summary
DEBIAN-CVE-2024-41026: In the Linux kernel, the following vulnerability has been resolved: mmc: davinci_mmc: Prevent transmitted data size from exceeding sgm's length No check is done on the size of the data to be transmiited. Affects linux versions < 6.9.10-1. Fixed in 6.9.10-1. How to fix ↓
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Background
The Linux kernel is a core component of the Debian operating system, responsible for managing hardware and system resources. It provides essential services for all other software running on the system. The kernel is highly modular, allowing for various functionalities and optimizations. However, it is also susceptible to vulnerabilities that can lead to system instability and security risks. This specific vulnerability affects the data transmission process within the mmc (MultiMediaCard) subsystem, particularly in the davinci_mmc driver.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the mmc subsystem where no checks are performed on the size of the data being transmitted. This oversight can lead to a kernel panic if the transmitted data size exceeds the length of the scatter-gather list (sg_miter). The lack of validation allows for potential exploitation, resulting in system crashes and instability, which can severely impact system operations and user experience.
How To Fix
Minimum fixed version
6.9.10-1
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, there are no specific workarounds mentioned for this vulnerability. The best course of action is to apply the patch by updating the package as described above.
Conclusion
The CVE-2024-41026 vulnerability in the Linux kernel poses a significant risk of kernel panic due to unchecked data transmission sizes. It is crucial for users to update their Linux packages to the patched version to ensure system stability and security. Regular monitoring and updates are essential to safeguard against such vulnerabilities.
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FAQ
CVE-2024-41026 is a vulnerability in the Linux kernel related to the mmc subsystem, which can cause a kernel panic due to unchecked data transmission sizes.
This vulnerability can lead to system instability and crashes, potentially disrupting operations and affecting user experience.
Yes, a patch is available in version 6.9.10-1 of the Linux package. Users should update to this version to mitigate the risk.
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References
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