Open Source Vulnerability - drm/dp: Fix off-by-one in register cache size
Summary
GSD-2022-1001455: drm/dp: Fix off-by-one in register cache size. Affects Kernel versions >= e2e16da398d9149ede0162a55f44537582aed2e7, < e504041c01d95a761d69803352a6a6689f6f9229. No fix is published. How to fix ↓
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Background
The vulnerability affects the Kernel package in the Linux ecosystem. The Kernel is the core component of the operating system that manages system resources and provides an interface for software to interact with hardware. It plays a crucial role in the stability and security of the entire system. The specific vulnerability is related to the drm/dp (Direct Rendering Manager/DisplayPort) subsystem, which is responsible for handling display-related operations. The vulnerability involves an off-by-one error in the register cache size, which could potentially lead to security issues.
Vulnerability Detail
The vulnerability arises from an off-by-one error in the register cache size within the drm/dp subsystem. This error could be exploited by an attacker to manipulate the register cache and potentially gain unauthorized access or perform other malicious activities. The impact and attack plausibility of this vulnerability have not been proven yet. However, it is important to address this issue to ensure the security and stability of the system. The vulnerability was introduced in Linux Kernel version v5.12 and has been fixed in version v5.16.19 by commit e504041c01d95a761d69803352a6a6689f6f9229.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No workaround has been provided for this vulnerability. It is necessary to apply the fix by updating the Kernel package.
Conclusion
The vulnerability in the drm/dp subsystem of the Kernel package has been identified and fixed in Linux Kernel version v5.16.19. It is crucial to update the Kernel package to ensure the security and stability of the system. For more information and assistance, please contact DevNack.com.
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FAQ
The impact of this vulnerability is currently unknown as the attack plausibility has not been proven. However, it is important to address the vulnerability to prevent potential security risks.
You can use tools like Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Vulert Playground allows you to analyze your manifest file (e.g., package-lock.json) and provides real-time alerts for open-source vulnerabilities.
No temporary measures or workarounds have been provided for this vulnerability. It is recommended to apply the fix by updating the Kernel package as soon as possible.
You can refer to the Linux Kernel repository on Git (https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/) for more information about the fix and the vulnerability. The specific commits mentioned in the vulnerability details provide additional context.
For further support or assistance regarding vulnerability remediation, you can reach out to info@devnack.com.
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