Deadlock Vulnerability in Linux Kernel - Package: linux
Summary
DEBIAN-CVE-2024-26725: In the Linux kernel, the following vulnerability has been resolved: dpll: fix possible deadlock during netlink dump operation Recently, I've been hitting following deadlock warning during dpll pin dump: [52804.637962] ==... Affects linux versions < 6.7.7-1. Fixed in 6.7.7-1. 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 kernel is the core component of the Linux operating system, responsible for managing hardware resources and providing essential services to applications. It is widely used in various distributions, including Debian. The kernel's functionality includes process management, memory management, device drivers, and system calls. This vulnerability specifically affects the Linux kernel in Debian versions 13 and 14, highlighting a potential deadlock scenario during netlink dump operations.
Vulnerability Detail
In the Linux kernel, a deadlock vulnerability has been identified that occurs during the netlink dump operation. The issue arises when the dpll_lock is held while attempting to acquire the nlk_cb_mutex, leading to a circular locking dependency. This can result in a deadlock situation where two CPUs are waiting for each other to release locks, causing the system to hang. The warning messages indicate the specific locks involved and the sequence of operations that lead to this unsafe locking scenario.
How To Fix
Minimum fixed version
6.7.7-1
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 mentioned for this vulnerability. It is recommended to apply the patch as soon as it becomes available to mitigate the risk.
Conclusion
The deadlock vulnerability in the Linux kernel poses a significant risk to systems running affected versions of the linux package. It is crucial to update to the patched version to ensure system stability and security. Regular monitoring and timely updates are essential for maintaining a secure environment.
See every vulnerability recorded for linux →
FAQ
The vulnerability is a potential deadlock scenario in the Linux kernel during netlink dump operations, which can cause the system to hang.
The vulnerability affects Debian versions 13 and 14 of the linux package prior to version 6.7.7-1.
You can use tools like Vulert, which monitors and alerts 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 advisable to monitor your system for any unusual behavior and apply the patch as soon as possible.
Detailed information about the vulnerability can be found in the Debian CVE database at https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-26725.json.
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.
