Critical Vulnerability in Linux Kernel: ASoC fsl_qmc_audio NULL Pointer Dereference
Summary
DEBIAN-CVE-2024-42298: In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl: fsl_qmc_audio: Check devm_kasprintf() returned value devm_kasprintf() can return a NULL pointer on failure but this returned value is not che... Affects linux versions < 6.10.3-1. Fixed in 6.10.3-1. 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 Linux operating system, responsible for managing hardware and system resources. It provides essential services for all other parts of the operating system. The kernel is known for its stability, performance, and security features. However, like any complex software, it is susceptible to vulnerabilities that can compromise system integrity and security.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the ASoC (ALSA System on Chip) subsystem, specifically in the fsl_qmc_audio driver. The issue arises from the lack of a check for the return value of the devm_kasprintf() function, which can return a NULL pointer on failure. If this NULL pointer is dereferenced, it could lead to a system crash or unexpected behavior, potentially allowing an attacker to exploit the vulnerability to execute arbitrary code or escalate privileges.
How To Fix
Minimum fixed version
6.10.3-1
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 as soon as it becomes available.
Conclusion
The identified vulnerability in the Linux kernel's ASoC fsl_qmc_audio driver poses significant risks to system stability and security. It is essential to update to the patched version 6.10.3-1 to mitigate these risks. Users are encouraged to utilize tools like Vulert to monitor their systems for vulnerabilities.
See every vulnerability recorded for linux →
FAQ
The vulnerability is a NULL pointer dereference in the ASoC fsl_qmc_audio driver of the Linux kernel, which can lead to system crashes or potential exploitation.
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 by this vulnerability.
The risks include system instability, crashes, and potential exploitation by attackers to gain unauthorized access or execute arbitrary code.
Yes, a patch is available in version 6.10.3-1 of the Linux package. It is recommended to update to this version to mitigate the vulnerability.
While there are no specific workarounds, it is crucial to monitor the situation and apply the patch as soon as possible to ensure system security.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
