Vulnerability in Kernel package: dell-smbios-wmi
Summary
GSD-2021-1000496: platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios. Affects Kernel versions >= 1a258e670434f404a4500b65ba1afea2c2b29bba, < 8d746ea7c687bab060a2c05a35c449302406cd52. No fix is published. How to fix ↓
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Background
The Kernel package is a crucial component of the Linux operating system, responsible for managing the system's core functionality. It provides an interface between the hardware and software layers, allowing applications to communicate with the underlying hardware. The dell-smbios-wmi module is a part of the Kernel package and is specifically designed for Dell systems, providing access to the System Management BIOS (SMBIOS) information. This module allows users to retrieve various hardware-related details from Dell systems, such as serial numbers, BIOS versions, and system configurations.
Vulnerability Detail
The dell-smbios-wmi module in the Kernel package is susceptible to a vulnerability that can lead to a system crash or instability. When attempting to unload (rmmod) the dell_smbios module, an oops (kernel panic) occurs, resulting in a system failure. This vulnerability was introduced in version v4.15 of the Linux Kernel by commit 1a258e670434f404a4500b65ba1afea2c2b29bba and has been fixed in version v5.12.7 by commit 8d746ea7c687bab060a2c05a35c449302406cd52. Although the impact and attack plausibility of this vulnerability have not been proven, it is essential to apply the fix to ensure system stability and prevent potential crashes.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update the Linux Kernel package to version v5.12.7 or later. This can be done by following the official update process provided by the Linux distribution being used. It is crucial to ensure that the updated Kernel package is compatible with the specific hardware and software configurations of the system. Additionally, it is advisable to regularly update the Kernel package to stay protected against known vulnerabilities.
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Conclusion
The vulnerability in the dell-smbios-wmi module of the Kernel package can lead to system crashes or instability. It is crucial to update the Linux Kernel package to version v5.12.7 or later to fix this vulnerability and ensure system stability. Regularly updating the Kernel package is recommended to stay protected against known vulnerabilities. For further support or assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability in the dell-smbios-wmi module can lead to system crashes or instability, potentially resulting in data loss or service interruptions.
You can use Vulert's 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 to identify any open-source vulnerabilities, including this one.
No specific workaround has been provided for this vulnerability. It is recommended to apply the official fix by updating the Linux Kernel package to the latest version.
The remote exploitability of this vulnerability has not been proven. However, it is still crucial to apply the fix to ensure system stability and prevent potential crashes.
There are no known instances of this vulnerability being exploited in the wild. However, it is always advisable to stay updated with the latest security patches to mitigate potential risks.
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