Out-of-Bounds Read Vulnerability in Linux Kernel - Debian Packages
Summary
DEBIAN-CVE-2024-57982: In the Linux kernel, the following vulnerability has been resolved: xfrm: state: fix out-of-bounds read during lookup lookup and resize can run in parallel. Affects linux versions < 6.12.13-1. Fixed in 6.12.13-1. 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 kernel is the core component of the Debian operating system, responsible for managing hardware resources and providing essential services for software applications. It is a critical part of the system that ensures stability and performance. The kernel is designed to handle various tasks, including process management, memory management, and device control. However, vulnerabilities can arise, such as the one identified in this report, which can potentially compromise system security and integrity.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified that allows for an out-of-bounds read during the lookup process of the xfrm state. This issue occurs when the lookup and resize operations run in parallel, leading to a situation where the hash functions can access a hmask value that exceeds the size of the new hlist array. The vulnerability arises from improper synchronization between state updates and lookups, which can result in inconsistent data being accessed. If exploited, this could lead to unauthorized access to sensitive information or system instability.
How To Fix
Minimum fixed version
6.12.13-1
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 any risks associated with the vulnerability.
Conclusion
The out-of-bounds read vulnerability in the Linux kernel poses a significant risk to Debian systems. Users are urged to update their kernel packages to the latest patched version to ensure system security. Regular monitoring and prompt updates are essential in maintaining a secure environment.
See every vulnerability recorded for linux →
FAQ
The vulnerability can lead to out-of-bounds reads, which may allow attackers to access sensitive information or cause system instability.
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 without needing to sign up.
Debian 13 and 14 are affected by this vulnerability, specifically in the Linux kernel package.
Yes, the patched version of the Linux kernel is 6.12.13-1. Users should update to this version to resolve the vulnerability.
While there are no specific workarounds, it is crucial to monitor the situation and apply the patch as soon as possible to mitigate risks.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
