Vulnerability in liquidio Package: Unintended Sign Extension of a Left Shift of a u16

Kernel Updated 02 Oct 2025

Summary

31/05/2021
N/A
No i
Unrated
Not published

GSD-2021-1000470: liquidio: Fix unintented sign extension of a left shift of a u16. Affects Kernel versions >= 5bc67f587ba7eaa8dd3976bfeff8f2b60718c871, < 114826c4bca1f02cccd6b4b8a36e1d14cc00f161. No fix is published. How to fix ↓

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Background

The liquidio package is a component of the Linux Kernel, which is responsible for managing the LiquidIO Intelligent Ethernet Adapters. These adapters provide high-performance networking capabilities for data centers. The liquidio package includes drivers and firmware for these adapters, enabling communication between the hardware and the operating system. However, a vulnerability has been identified in the liquidio package that involves an unintended sign extension of a left shift of a u16 value.

Vulnerability Detail

The vulnerability in the liquidio package arises from an unintended sign extension of a left shift operation on a u16 value. This issue can lead to unexpected behavior and potential security risks. Attackers may exploit this vulnerability to manipulate the shifted value and cause buffer overflows, memory corruption, or other types of attacks. The impact and attack plausibility of this vulnerability have not been proven yet.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

There is no specific workaround mentioned for this vulnerability. However, applying the recommended fix by updating the Linux Kernel is the best approach to mitigate the risk.

Conclusion

The liquidio package in the Linux Kernel is vulnerable to an unintended sign extension issue during a left shift operation on a u16 value. To mitigate this vulnerability, it is crucial to update the Linux Kernel to version v4.14.233 or later. For further support and assistance in vulnerability remediation, please contact DevNack.com.

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FAQ

The liquidio package is a component of the Linux Kernel that manages the LiquidIO Intelligent Ethernet Adapters, providing high-performance networking capabilities for data centers.

The impact of this vulnerability is not yet proven, but it could potentially lead to buffer overflows, memory corruption, or other types of attacks if exploited by attackers.

To fix this vulnerability, update the Linux Kernel to version v4.14.233 or later, which includes the necessary fix for the unintended sign extension issue.

There are no specific workarounds mentioned for this vulnerability. Updating the Linux Kernel is the recommended approach.

For more details about this vulnerability, you can refer to the source link provided in the database_specific section of the vulnerability details.

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How To Fix

No fixed version is published for this vulnerability.

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