Critical NULL Pointer Dereference Vulnerability in Linux Kernel - ASoC: SOF: Intel: hda-ipc
Summary
CVE-2022-50015: In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Intel: hda-ipc: Do not process IPC reply before firmware boot It is not yet clear, but it is possible to create a firmware so broken that it... Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. 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 of many operating systems, providing essential services for hardware and software interactions. It is known for its robustness and flexibility, supporting a wide range of devices and architectures. The ASoC (ALSA System on Chip) subsystem is responsible for audio processing in embedded systems, and the SOF (Sound Open Firmware) project aims to provide a flexible and efficient audio firmware solution. However, a vulnerability has been identified in the hda-ipc component of this subsystem, which could lead to severe system instability.
Vulnerability Detail
In the Linux kernel, a vulnerability has been discovered in the ASoC: SOF: Intel: hda-ipc component. This issue arises when a firmware sends a reply message before the FW_READY message is received. The reply_data is allocated only after the FW_READY message, leading to a potential NULL pointer dereference if the reply is processed prematurely. This vulnerability was reported with IPC4 firmware but is also applicable to IPC3, posing risks of system crashes and instability.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. 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 to prevent potential exploitation.
Conclusion
The CVE-2022-50015 vulnerability in the Linux kernel poses a significant risk of system instability due to a NULL pointer dereference. It is essential for users of affected Debian versions to update their systems to the patched version to mitigate this risk. Regular monitoring and prompt updates are crucial for maintaining system security.
See every vulnerability recorded for linux →
FAQ
CVE-2022-50015 is a vulnerability in the Linux kernel's ASoC: SOF: Intel: hda-ipc component that can lead to a NULL pointer dereference.
Exploitation of this vulnerability may result in system crashes and instability, particularly in systems utilizing affected audio firmware.
Yes, a patch is available in version 6.0.2-1 for Debian 12 and 13. It is crucial to update your system to this version.
While no specific workarounds are available, it is advisable to monitor the situation and apply the patch as soon as possible.
You can use Vulert, which allows you to monitor and alert for open-source vulnerabilities in your software using a manifest file like package-lock.json. Visit Vulert Scanner to check your application without any signup.
Related vulnerabilities
Recent vulnerabilities recorded for linux.
