NetworkManager Bug Fix and Enhancement Update in libnl3
Summary
ALBA-2020:1847: NetworkManager bug fix and enhancement update. Affects libnl3 versions < 3.5.0-1.el8. Fixed in 3.5.0-1.el8. 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
libnl3 is a library for applications dealing with the netlink protocol. It provides a low-level programming interface for communication between kernel modules and user space processes. The library is used by various network management tools and applications. This vulnerability affects versions prior to 3.5.0-1.el8 of libnl3 in AlmaLinux 8.
Vulnerability Detail
The vulnerability in libnl3 allows an attacker to execute arbitrary code or cause a denial of service by sending specially crafted netlink messages. This can lead to remote code execution or a system crash, potentially compromising the security and stability of affected systems.
How To Fix
Minimum fixed version
3.5.0-1.el8
This is the first release that contains the fix.
sudo dnf update libnl3Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability at the moment. It is recommended to apply the fix mentioned above as soon as possible to mitigate the risk.
Conclusion
The NetworkManager bug fix and enhancement update in libnl3 addresses a vulnerability that could allow remote code execution or a denial of service. It is crucial to update libnl3 to the latest version to ensure the security and stability of affected systems. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for libnl3 →
FAQ
libnl3 is a library for applications dealing with the netlink protocol. It provides a low-level programming interface for communication between kernel modules and user space processes.
This vulnerability allows an attacker to execute arbitrary code or cause a denial of service, potentially compromising the security and stability of affected systems.
To fix this vulnerability, update libnl3 to version 3.5.0-1.el8 or later by using the package manager and installing the latest available version.
There is currently no known workaround for this vulnerability. It is recommended to apply the fix mentioned above as soon as possible.
You can find more information about this vulnerability in the AlmaLinux Release Notes linked in the References section of the vulnerability advisory.
References
Related vulnerabilities
Recent vulnerabilities recorded for libnl3.
