Stack Out of Bound Access in elantech_change_report_id()
Summary
GSD-2021-1002807: Input: elantech - fix stack out of bound access in elantech_change_report_id(). Affects Kernel versions >= dde807b4a44273fa5f62c0cb308295e6d6642550, < 676c572439e58b7ee6b7ca3f1e5595382921045c. No fix is published. How to fix ↓
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Background
The elantech package is a component of the Linux Kernel, which is responsible for handling input devices. It includes drivers for Elantech touchpads commonly found in laptops. These drivers enable the communication between the touchpad hardware and the operating system, allowing users to interact with their devices through gestures and movements.
Vulnerability Detail
The vulnerability identified in the elantech package is a stack out of bound access issue in the elantech_change_report_id() function. This vulnerability allows an attacker to access memory beyond the bounds of the stack, potentially leading to arbitrary code execution or a system crash. The issue was introduced in version v5.10.21 of the Linux Kernel and was fixed in version v5.10.89.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is essential to apply the fix by updating the Linux Kernel to the patched version.
Conclusion
The stack out of bound access vulnerability in the elantech package of the Linux Kernel can lead to arbitrary code execution or system crashes. It is crucial to update the Linux Kernel to version v5.10.89 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The vulnerability allows an attacker to access memory beyond the bounds of the stack, which can lead to arbitrary code execution or a system crash.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file, and Vulert will analyze it for any known vulnerabilities.
Yes, this vulnerability can be exploited remotely if an attacker can send specially crafted input to the affected system.
There are no reported incidents related to this vulnerability at the moment.
For more details about this vulnerability, you can refer to the source link provided in the database_specific section of this report.
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