Out-of-Bounds Access Vulnerability in Linux Kernel Package: linux
Summary
DEBIAN-CVE-2024-56555: In the Linux kernel, the following vulnerability has been resolved: binder: fix OOB in binder_add_freeze_work() In binder_add_freeze_work() we iterate over the proc->nodes with the proc->inner_lock held. Affects linux versions < 6.12.5-1. Fixed in 6.12.5-1. How to fix ↓
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Background
The 'linux' package is the core of the Linux operating system, providing essential functionalities for managing hardware, system resources, and user interactions. It is widely used across various distributions, including Debian. The package is critical for system stability and security, making it imperative to address vulnerabilities that may arise within its codebase.
Vulnerability Detail
In the Linux kernel, a vulnerability was identified in the binder_add_freeze_work() function, where an out-of-bounds access occurs due to a race condition between iterating over proc->nodes and modifying the binder_dead_nodes list. This can lead to a crash or unexpected behavior, as the iteration may access invalid memory locations, potentially compromising system integrity.
How To Fix
Minimum fixed version
6.12.5-1
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 is available.
Conclusion
The out-of-bounds access vulnerability in the Linux kernel's binder subsystem poses significant risks to system stability and security. It is essential for users of the 'linux' package on Debian 13 and 14 to update to the patched version 6.12.5-1 to safeguard their systems.
See every vulnerability recorded for linux →
FAQ
The vulnerability is an out-of-bounds access issue caused by a race condition in the Linux kernel's binder subsystem.
Exploitation of this vulnerability may lead to system crashes, data corruption, or unauthorized access to system resources.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected by this vulnerability.
Yes, a patch is available in version 6.12.5-1 of the linux package. Updating to this version will resolve the issue.
While there are no specific workarounds, it is crucial to plan for an update as soon as possible to mitigate risks associated with this vulnerability.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
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