Vulnerability in Kernel: pid: take a reference when initializing `cad_pid`
Summary
GSD-2021-1000732: pid: take a reference when initializing cad_pid. Affects Kernel versions >= 9ec52099e4b8678a60e9f93e41ad87885d64f3e6, < 4dbd8808a591b49b717862e6e0081bcf14a87788. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system, responsible for managing system resources and facilitating communication between hardware and software. It provides essential functionalities and services to ensure the proper functioning of the system. However, a vulnerability has been discovered in the Kernel related to the initialization of cad_pid in the pid module.
Vulnerability Detail
The vulnerability arises from the failure to take a reference when initializing cad_pid in the pid module of the Kernel. This oversight can potentially lead to security breaches and unauthorized access to sensitive information. Attackers may exploit this vulnerability to execute arbitrary code, escalate privileges, or cause denial-of-service conditions. The vulnerability was introduced in version v2.6.19 of the Kernel and has been fixed in version v4.14.236.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As this vulnerability has been fixed in the latest version of the Kernel, there is no specific workaround available. It is essential to update to the patched version to mitigate the risk of exploitation.
Conclusion
In conclusion, the vulnerability in the Kernel related to the initialization of cad_pid can pose significant security risks, including arbitrary code execution, privilege escalation, and denial-of-service attacks. It is crucial to update the Linux Kernel to version v4.14.236 or later to mitigate these risks. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability can potentially allow attackers to execute arbitrary code, escalate privileges, or cause denial-of-service conditions.
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 in real-time to identify any open-source vulnerabilities, including this one.
At the time of this report, there is no known exploit for this vulnerability. However, it is crucial to update to the patched version of the Kernel to prevent potential exploitation.
As this vulnerability has been fixed in the latest version of the Kernel, it is recommended to update to the patched version as soon as possible. Applying temporary measures may not provide sufficient protection against potential exploitation.
For more detailed information about this vulnerability, including the technical aspects and the specific commits that fixed it, you can refer to the vulnerability's source in the GSD database: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1000xxx/GSD-2021-1000732.json
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