Buffer Overflow Vulnerability in video: fbdev: nvidiafb
Summary
GSD-2022-1001463: video: fbdev: nvidiafb: Use strscpy() to prevent buffer overflow. Affects Kernel versions < 6a5226e544ac043bb2d8dc1bfe8920d02282f7cd. No fix is published. How to fix ↓
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Background
The video: fbdev: nvidiafb package is a component of the Linux Kernel ecosystem. It provides support for the NVIDIA framebuffer driver in the Linux kernel. This driver allows for the use of NVIDIA graphics cards with framebuffer devices. The vulnerability in this package is related to a buffer overflow issue.
Vulnerability Detail
The buffer overflow vulnerability in video: fbdev: nvidiafb can be exploited by an attacker to overwrite adjacent memory locations, potentially leading to arbitrary code execution or a system crash. The vulnerability arises from a lack of proper bounds checking when copying data into a buffer. An attacker could craft a malicious input that exceeds the buffer's size, causing the overflow. This vulnerability has been fixed in Linux Kernel version v5.16.19 by commit 6a5226e544ac043bb2d8dc1bfe8920d02282f7cd.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability. It is advised to apply the fix by updating the Linux Kernel.
Conclusion
The buffer overflow vulnerability in video: fbdev: nvidiafb can have serious security implications. It is crucial to update the Linux Kernel to the fixed version to mitigate the risk. For further assistance or support in vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability can potentially allow an attacker to execute arbitrary code or crash the system.
The exploitability of this vulnerability depends on the system's network configuration and exposure to potential attackers.
There are no known instances of this vulnerability being exploited in the wild at the time of this report.
The most effective mitigation is to apply the fix by updating the Linux Kernel to the patched version.
For more details about this vulnerability, refer to the source link provided in the database_specific section of this report.
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