Memory Corruption in RX Ring in net: lantiq
Summary
UVI-2021-1000529: net: lantiq: fix memory corruption in RX ring. Affects Kernel versions >= fe1a56420cf2ec28c8eceef672b87de0bbe1a260, < 46dd4abced3cb2c912916f4a5353e0927db0c4a2. No fix is published. How to fix ↓
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Background
The net: lantiq package is a component of the Linux Kernel, specifically designed for Lantiq network devices. It provides network functionality and handles the reception and transmission of data packets. The RX ring is a data structure used for receiving network packets. However, a vulnerability has been discovered in the RX ring implementation, leading to memory corruption.
Vulnerability Detail
The vulnerability in net: lantiq's RX ring implementation can result in memory corruption. This can potentially be exploited by an attacker to execute arbitrary code or cause a denial-of-service condition. The issue was introduced in version v4.20 of the Linux Kernel and was fixed in version v5.12.9. The vulnerability is caused by a memory corruption bug in the RX ring code, which can be triggered by a specially crafted network packet. Successful exploitation of this vulnerability could have severe consequences, including unauthorized access to sensitive information or system crashes.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been provided for this vulnerability.
Conclusion
The memory corruption vulnerability in net: lantiq's RX ring implementation can have serious security implications. It is crucial to update the Linux Kernel to the fixed version to mitigate the risk of exploitation. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
net: lantiq is a component of the Linux Kernel that provides network functionality for Lantiq network devices.
The RX ring is a data structure used for receiving network packets in net: lantiq.
The vulnerability can lead to memory corruption, potentially allowing an attacker to execute arbitrary code or cause a denial-of-service condition.
To fix the vulnerability, update the Linux Kernel to version v5.12.9 or later.
Users can obtain the updated version of the Linux Kernel from the official Linux Kernel repository.
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