CVE-2020-14304: linux-libc-dev - Memory Leak in ethtool when Reading EEPROM
Summary
CVE-2020-14304: A memory disclosure flaw was found in the Linux kernel's ethernet drivers, in the way it read data from the EEPROM of the device. Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓
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Background
linux-libc-dev is a package in the Debian distribution that provides the C library headers for the Linux kernel. It is used by developers to compile and build applications that interact with the kernel. The vulnerability identified as CVE-2020-14304 affects the ethernet drivers in the Linux kernel. Specifically, it involves the way the kernel reads data from the EEPROM of the device. This flaw allows a local user to access uninitialized values from the kernel memory, potentially leading to a memory leak. The confidentiality of sensitive information may be compromised as a result.
Vulnerability Detail
The vulnerability arises due to a memory disclosure flaw in the Linux kernel's ethernet drivers. When reading data from the EEPROM of the device, uninitialized values from the kernel memory can be accessed by a local user. This can result in a memory leak and potential exposure of sensitive information. The severity of this vulnerability is considered medium.
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
The CVE-2020-14304 vulnerability in the linux-libc-dev package exposes a memory leak in the ethtool component when reading data from the device's EEPROM. This can lead to the disclosure of uninitialized values from the kernel memory, potentially compromising the confidentiality of sensitive information. It is crucial to update the package to a patched version and regularly apply security updates to mitigate the risk. For further assistance with vulnerability remediation, contact DevNack.com.
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FAQ
linux-libc-dev is a package in the Debian distribution that provides the C library headers for the Linux kernel. It is used by developers to compile and build applications that interact with the kernel.
The vulnerability allows a local user to access uninitialized values from the kernel memory, potentially leading to a memory leak. This can compromise the confidentiality of sensitive information.
The severity of this vulnerability is considered medium.
To fix this vulnerability, it is recommended to update the linux-libc-dev package to a version that includes the necessary security patches. Regularly checking for updates and applying them promptly is crucial.
No specific workaround has been mentioned for this vulnerability.
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