Out of Bounds Access Vulnerability in Linux Kernel: linux Package Affected
Summary
DEBIAN-CVE-2024-42264: In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Prevent out of bounds access in performance query extensions Check that the number of perfmons userspace is passing in the copy and reset exten... Affects linux versions < 6.10.4-1. Fixed in 6.10.4-1. How to fix ↓
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Background
The linux package is a core component of the Debian operating system, providing the essential kernel that manages system resources and hardware interactions. It is responsible for enabling the operating system to communicate with hardware components, ensuring efficient operation and resource management. The linux kernel is critical for system stability and security, making any vulnerabilities within it particularly concerning.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the drm/v3d module, which allows for out of bounds access during performance query extensions. This issue arises when the number of performance monitors (perfmons) that userspace passes in the copy and reset extensions exceeds the internal kernel storage capacity. If exploited, this vulnerability could lead to unauthorized access to memory, potentially allowing an attacker to execute arbitrary code or crash the system. The vulnerability was introduced in version 0 and has been fixed in version 6.10.4-1.
How To Fix
Minimum fixed version
6.10.4-1
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 provided for this vulnerability. It is recommended to apply the patch as soon as it is available to mitigate any potential risks.
Conclusion
The vulnerability identified in the Linux kernel's drm/v3d module poses significant risks to system security and stability. It is imperative for users of the linux package to update to the patched version 6.10.4-1 to safeguard against potential exploitation. Regular monitoring and timely updates are essential for maintaining system integrity.
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FAQ
The vulnerability is an out of bounds access issue in the drm/v3d module of the Linux kernel, which can lead to memory access violations.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected.
Exploitation of this vulnerability could allow attackers to execute arbitrary code or crash the system, leading to potential data loss or system instability.
Yes, a patch has been released in version 6.10.4-1 of the linux package. It is crucial to update to this version to mitigate the vulnerability.
While no specific workarounds are available, it is advisable to prioritize updating the package as soon as possible to protect your system from potential exploitation.
References
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