Vulnerability in Linux Kernel: net: ethernet: dec: tulip: de4x5
Summary
GSD-2021-1002375: net: ethernet: dec: tulip: de4x5: fix possible array overflows in type3_infoblock(). Affects Kernel versions < 890fefa2d24d4c653b1b425127488a7f8c14ff5c. No fix is published. How to fix ↓
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Background
The Linux Kernel is a critical component of the Linux operating system, responsible for managing system resources and providing an interface between hardware and software. The net: ethernet: dec: tulip: de4x5 module within the Kernel handles Ethernet network communication for certain DEC (Digital Equipment Corporation) Tulip-based network cards. These network cards are commonly used in various systems.
The vulnerability identified in the de4x5 module can lead to potential array overflows in the type3_infoblock() function. This function is responsible for processing information blocks in the network card's firmware. If exploited, this vulnerability could allow an attacker to execute arbitrary code or cause a denial-of-service condition on a vulnerable system.
Vulnerability Detail
The vulnerability in the de4x5 module arises from possible array overflows in the type3_infoblock() function. This function processes information blocks in the network card's firmware without proper bounds checking, potentially leading to buffer overflows. An attacker could craft malicious firmware or network packets to trigger these overflows, allowing them to execute arbitrary code or crash the system.
The impact of this vulnerability can range from remote code execution to denial-of-service, depending on the attacker's intent and the system's configuration. Successful exploitation of this vulnerability could compromise the integrity, confidentiality, and availability of the affected system.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As this vulnerability has been fixed in the Linux Kernel, there is no specific workaround available. Users are advised to update their Kernel installations to the latest stable version.
Conclusion
The vulnerability in the net: ethernet: dec: tulip: de4x5 module of the Linux Kernel can lead to potential array overflows, allowing an attacker to execute arbitrary code or cause a denial-of-service condition. It is crucial to update the Linux Kernel to version v4.9.292 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The Linux Kernel is a critical component of the Linux operating system, responsible for managing system resources and providing an interface between hardware and software.
The impact of this vulnerability can range from remote code execution to denial-of-service, depending on the attacker's intent and the system's configuration. Successful exploitation of this vulnerability could compromise the integrity, confidentiality, and availability of the affected system.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v4.9.292 or later. Users should update their Kernel installations to the latest stable version available, which includes the necessary security patches.
As this vulnerability has been fixed in the Linux Kernel, there is no specific workaround available. Users are advised to update their Kernel installations to the latest stable version.
For more information about this vulnerability, you can refer to the source link provided in the database specific section of the vulnerability details.
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