Vulnerability in Kernel: unexport __init-annotated xen_xlate_map_ballooned_pages()
Summary
GSD-2022-1003712: xen: unexport __init-annotated xen_xlate_map_ballooned_pages(). Affects Kernel versions >= 243848fc018cb98c2a70c39fe1f93eb266c79835, < b49c884146e20314808c9420640b26876ff55c80. No fix is published. How to fix ↓
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Background
The Kernel is a critical component of the Linux operating system that provides core functionalities and interfaces between hardware and software. It manages system resources, facilitates process execution, and enables communication between different software components. This vulnerability affects the Kernel and specifically targets the function xen_xlate_map_ballooned_pages().
Vulnerability Detail
The vulnerability arises from the unexported __init-annotated xen_xlate_map_ballooned_pages() function in the Kernel. Although the impact and attack plausibility have not been proven, this vulnerability could potentially be exploited by malicious actors. It was introduced in version v4.8 of the Kernel and has been fixed in version v5.4.198 through commit b49c884146e20314808c9420640b26876ff55c80. For more technical details, please refer to the references link.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
In conclusion, the Kernel is vulnerable to an unexported __init-annotated xen_xlate_map_ballooned_pages() function. It is recommended to update the Kernel to version v5.4.198 or later to mitigate this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The actual impact of this vulnerability is currently unknown as it has not been proven. However, it is essential to apply the fix to ensure the security and stability of the system.
The remote exploitability of this vulnerability has not been determined. It is recommended to update the Kernel to the fixed version as a precautionary measure.
There are no known instances of this vulnerability being exploited at the moment. However, it is crucial to stay updated with security patches and apply them promptly.
No CVSS score has been provided for this vulnerability.
For more information about this vulnerability, please refer to the provided references link.
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