Deadlock Vulnerability in Linux Kernel: Firmware Qcom Uefisecapp
Summary
DEBIAN-CVE-2024-46868: In the Linux kernel, the following vulnerability has been resolved: firmware: qcom: uefisecapp: Fix deadlock in qcuefi_acquire() If the __qcuefi pointer is not set, then in the original code, we would hold onto the lock. Affects linux versions < 6.10.11-1. Fixed in 6.10.11-1. 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 many operating systems, providing essential services for hardware and software interaction. It is known for its stability, performance, and security features. However, vulnerabilities can arise, affecting its functionality and security. This specific vulnerability pertains to the firmware component for Qualcomm devices, which is critical for system boot processes and secure operations.
Vulnerability Detail
In the Linux kernel, a deadlock vulnerability was identified in the firmware component for Qualcomm devices, specifically in the function qcuefi_acquire(). The issue arises when the __qcuefi pointer is not set, causing the lock to be held indefinitely. This can lead to a situation where subsequent attempts to set the pointer result in a deadlock, effectively freezing the system. The vulnerability has been addressed in the patched version of the kernel, which drops the lock on the error path, aligning with the expectations of all callers.
How To Fix
Minimum fixed version
6.10.11-1
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. The best course of action is to apply the patch by updating to the fixed version of the Linux kernel.
Conclusion
The deadlock vulnerability in the Linux kernel's firmware for Qualcomm devices poses a significant risk to system stability. It is crucial for users to update to the patched version to mitigate this risk. Regular monitoring and timely updates are essential for maintaining system security.
See every vulnerability recorded for linux →
FAQ
The vulnerability is a deadlock issue in the Linux kernel's firmware for Qualcomm devices, which can freeze the system if not addressed.
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.
If exploited, this vulnerability can lead to system instability, causing applications to freeze and potentially resulting in data loss.
Yes, the vulnerability has been fixed in the Linux kernel version 6.10.11-1 and users are encouraged to update their systems.
While there are no specific workarounds, it is advisable to monitor your system closely for any unusual behavior until you can apply the patch.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
