Critical IPv4 Route Handling Vulnerability in Linux Package
Summary
CVE-2023-53342: In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix handling IPv4 routes with nhid Fix handling IPv4 routes referencing a nexthop via its id by replacing calls to fib_info_nh()... Affects linux versions < 6.1.52-1. Fixed in 6.1.52-1. 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 Linux package is a core component of the Debian operating system, providing the essential kernel that manages system resources and hardware interactions. It is widely used in various environments, from personal computers to servers and embedded systems. The package is known for its stability, performance, and extensive support for hardware and software. However, it is also susceptible to vulnerabilities that can compromise system integrity and security.
Vulnerability Detail
The vulnerability identified as CVE-2023-53342 affects the Linux kernel's handling of IPv4 routes that reference a nexthop via its ID. This issue arises from improper function calls that can lead to warnings and potential instability when adding IPv4 routes. Specifically, the vulnerability can trigger warnings in the system logs, indicating a failure in the route handling process. If exploited, it could lead to unexpected behavior in network routing, potentially impacting network connectivity and performance.
How To Fix
Minimum fixed version
6.1.52-1
This is the first release that contains the fix.
sudo apt-get install --only-upgrade linuxTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
Currently, there are no specific workarounds provided for this vulnerability. It is advisable to apply the patch as soon as it is available to mitigate any risks associated with the vulnerability.
Conclusion
In summary, CVE-2023-53342 is a critical vulnerability in the Linux kernel that affects the handling of IPv4 routes. It is essential for users to update their systems to the patched versions to ensure network stability and security. Utilizing tools like Vulert can help monitor for such vulnerabilities in real-time.
See every vulnerability recorded for linux →
FAQ
CVE-2023-53342 is a vulnerability in the Linux kernel that affects the handling of IPv4 routes referencing a nexthop via its ID.
If exploited, this vulnerability can lead to warnings in the system logs and potentially disrupt network routing, affecting connectivity and performance.
Yes, patches are available for Debian 12, 13, and 14. Users should update to the specified patched versions to mitigate the vulnerability.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected.
While there are no specific workarounds, it is crucial to prioritize applying the patch as soon as possible to protect your system from potential exploitation.
Related vulnerabilities
Recent vulnerabilities recorded for linux.
