Kernel Panic Vulnerability in Linux Package: Multi-Buffer Handling Flaw
Summary
DEBIAN-CVE-2024-42083: In the Linux kernel, the following vulnerability has been resolved: ionic: fix kernel panic due to multi-buffer handling Currently, the ionic_run_xdp() doesn't handle multi-buffer packets properly for XDP_TX and XDP_REDI... Affects linux versions < 6.9.8-1. Fixed in 6.9.8-1. 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, responsible for managing system resources and hardware interactions. It provides essential functionalities such as process management, memory management, and device control. This vulnerability specifically affects the handling of multi-buffer packets in the ionic driver, which can lead to severe system instability.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the ionic driver related to the handling of multi-buffer packets for XDP_TX and XDP_REDIRECT actions. When jumbo frames are processed, the ionic_run_xdp() function fails to properly unmap DMA mappings for all pages involved, particularly for scatter-gather (SG) pages. This oversight can lead to the reuse of SG pages, ultimately causing a kernel panic and resulting in a general protection fault. The vulnerability is classified under DEBIAN-CVE-2024-42083.
How To Fix
Minimum fixed version
6.9.8-1
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, no specific workarounds have been provided for this vulnerability. It is recommended to apply the patch as soon as it becomes available to mitigate potential risks.
Conclusion
The vulnerability identified in the Linux package poses a significant risk of kernel panic due to improper handling of multi-buffer packets. Users are advised to update to the patched version to ensure system stability and security. Monitoring tools like Vulert can assist in identifying vulnerabilities in real-time.
See every vulnerability recorded for linux →
FAQ
The vulnerability can lead to kernel panic, causing system crashes and instability when handling multi-buffer packets.
You can use the Vulert platform to monitor and alert for open-source vulnerabilities. Visit Vulert Scanner to check if your application is affected without any signup.
While no specific workarounds are available, it is crucial to monitor the situation and apply the patch as soon as possible to prevent potential system crashes.
Yes, this vulnerability affects the Linux package in Debian versions 13 and 14.
Detailed information can be found in the official Debian CVE database at https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-42083.json.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
