i40e: Fix NULL ptr dereference on VSI filter sync
Summary
GSD-2021-1002248: i40e: Fix NULL ptr dereference on VSI filter sync. Affects Kernel versions >= 41c445ff0f482bb6e6b72dcee9e598e20575f743, < 87c421ab4a43433cb009fea44bbbc77f46913e1d. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The i40e package is a driver for Intel Ethernet Connection X722 network adapters. It is responsible for managing the network communication and configuration of these adapters. The vulnerability in question involves a NULL pointer dereference during the synchronization of VSI (Virtual Station Interface) filters.
Vulnerability Detail
The vulnerability occurs when the i40e driver attempts to synchronize VSI filters and encounters a NULL pointer. This can lead to a system crash or other unpredictable behavior. The vulnerability was introduced in version v3.12 of the Linux Kernel and has been fixed in version v4.19.218. The impact and attack plausibility of this vulnerability have not been proven.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
No specific workaround has been provided for this vulnerability.
Conclusion
The i40e package in the Linux Kernel is vulnerable to a NULL pointer dereference during VSI filter synchronization. It is recommended to update to version v4.19.218 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
The i40e package is a driver for Intel Ethernet Connection X722 network adapters.
A NULL pointer dereference occurs when a program attempts to access or manipulate data using a pointer that points to NULL (a memory address with no assigned value). This can lead to crashes or other unexpected behavior.
VSI (Virtual Station Interface) is a virtual network interface that allows virtual machines to communicate with the physical network through a hypervisor.
You can check the version of the Linux Kernel by running the command 'uname -r' in a terminal.
No proof of concept or exploit has been provided for this vulnerability at this time.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
