i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc
Summary
GSD-2021-1002606: i40e: Fix NULL pointer dereference in i40e_dbg_dump_desc. Affects Kernel versions >= 02e9c290814cc143ceccecb14eac3e7a05da745e, < 16431e442db248ecd8aa9457cf0a656f1885f56e. 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 network driver for Intel Ethernet 700 Series devices. It is responsible for managing network communication and providing connectivity for these devices. The i40e_dbg_dump_desc function is a debugging feature that allows dumping descriptor information for debugging purposes. However, a vulnerability in this function can lead to a NULL pointer dereference, causing a system crash or potential code execution.
Vulnerability Detail
The vulnerability in the i40e_dbg_dump_desc function arises from a NULL pointer dereference. When the function is called with a NULL pointer as an argument, it does not handle this case properly, leading to a crash or potential code execution. An attacker could potentially exploit this vulnerability by providing a specially crafted input to trigger the NULL pointer dereference. The impact of this vulnerability could range from a denial of service (system crash) to potential code execution with elevated privileges.
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
There is no known workaround for this vulnerability. It is recommended to apply the fix by updating the Linux Kernel to the latest version.
Conclusion
The i40e package is vulnerable to a NULL pointer dereference in the i40e_dbg_dump_desc function. This vulnerability can lead to system crashes or potential code execution. It is recommended to update the Linux Kernel to version v5.15.8 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 network driver for Intel Ethernet 700 Series devices. It provides connectivity and manages network communication for these devices.
The i40e_dbg_dump_desc function is a debugging feature in the i40e package that allows dumping descriptor information for debugging purposes.
A NULL pointer dereference occurs when a program attempts to access or manipulate memory using a NULL pointer, which does not point to a valid memory location. This can lead to crashes or potential code execution.
The impact of this vulnerability can range from a denial of service (system crash) to potential code execution with elevated privileges.
To fix this vulnerability, users should update their Linux Kernel to version v5.15.8 or later. This can be done by downloading the latest kernel source code from the official Linux Kernel repository and compiling it for their specific system.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
