Kernel NULL Pointer Dereference Vulnerability in Linux Package
Summary
DEBIAN-CVE-2024-53092: In the Linux kernel, the following vulnerability has been resolved: virtio_pci: Fix admin vq cleanup by using correct info pointer vp_modern_avq_cleanup() and vp_del_vqs() clean up admin vq resources by virtio_pci_vq_inf... Affects linux versions < 6.11.9-1. Fixed in 6.11.9-1. 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
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
Background
The Linux package is a core component of the Debian operating system, providing essential functionalities for managing hardware and system resources. It serves as the foundation for running applications and services, ensuring efficient communication between software and hardware. This package is critical for system stability and performance, making any vulnerabilities particularly concerning.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified related to the virtio_pci driver, specifically in the cleanup of admin virtual queues (vqs). The issue arises from using an incorrect info pointer for the admin vq, leading to a kernel NULL pointer dereference. This flaw can cause system crashes and instability, as evidenced by the call trace indicating a NULL pointer dereference during the reset of the virtio device. The vulnerability is tracked as DEBIAN-CVE-2024-53092 and affects Debian versions 13 and 14.
How To Fix
Minimum fixed version
6.11.9-1
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 are provided for this vulnerability. It is recommended to apply the patch as soon as it is available to mitigate risks.
Conclusion
The identified vulnerability in the Linux kernel poses significant risks to system stability and performance. Users are urged to update their Linux packages to the patched version 6.11.9-1 to protect against potential exploitation. Monitoring tools like Vulert can assist in real-time vulnerability management.
See every vulnerability recorded for linux →
FAQ
The vulnerability is a kernel NULL pointer dereference caused by incorrect handling of admin virtual queues in the virtio_pci driver.
The vulnerability affects Debian versions 13 and 14 of the Linux package prior to version 6.11.9-1.
Exploitation of this vulnerability can lead to system crashes, instability, and potential data loss due to kernel panics.
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 without requiring any signup.
While no specific workarounds are available, it is crucial to plan for an update as soon as possible to mitigate the risks associated with this vulnerability.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
