Null-Pointer Dereference Vulnerability in audit_filter_rules
Summary
GSD-2021-1002176: audit: fix possible null-pointer dereference in audit_filter_rules. Affects Kernel versions >= bf361231c295d92a28ca283ea713f56e93e55796, < 6e3ee990c90494561921c756481d0e2125d8b895. 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 Kernel package is a crucial component of the Linux operating system, responsible for managing the system's core functionality and providing an interface between hardware and software. It includes various modules and drivers that enable the system to communicate with hardware devices and perform essential tasks. The audit_filter_rules module within the Kernel is responsible for managing audit rules and filtering events based on specified criteria.
Vulnerability Detail
The audit_filter_rules module in the Kernel is susceptible to a null-pointer dereference vulnerability. This vulnerability, identified as GSD-2021-1002176, can be exploited by an attacker to cause a denial-of-service (DoS) condition or potentially execute arbitrary code. The vulnerability arises from a flaw in the code that fails to handle null pointers correctly, leading to a crash or unintended behavior when certain conditions are met. Although the impact and attack plausibility have not been proven, it is crucial to address this vulnerability to ensure the stability and security of the system.
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 available for this vulnerability. It is essential to update the Kernel to the fixed version to mitigate the risk.
Conclusion
The null-pointer dereference vulnerability in audit_filter_rules within the Kernel can pose a significant risk to the stability and security of the system. It is crucial to update the Kernel to version v5.15 or later, which includes the necessary fix for this vulnerability. Failure to address this issue may result in a denial-of-service condition or potential execution of arbitrary code. For further support and assistance in vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for Kernel →
FAQ
This vulnerability can potentially lead to a denial-of-service (DoS) condition or allow an attacker to execute arbitrary code.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will provide real-time alerts for open-source vulnerabilities, including this one.
At the time of this report, there is no known exploit for this vulnerability. However, it is crucial to address it promptly to prevent potential exploitation.
It is highly recommended to update the Kernel to the fixed version rather than attempting manual patching. Updating to the latest version ensures that all necessary fixes and security enhancements are applied.
No alternative solutions are available for this vulnerability. Updating the Kernel to the fixed version is the recommended approach.
Related vulnerabilities
Recent vulnerabilities recorded for Kernel.
