Critical Vulnerability in Linux Kernel: ASoC Intel Link Address Handling Issue
Summary
DEBIAN-CVE-2024-46863: In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: soc-acpi-intel-lnl-match: add missing empty item There is no links_num in struct snd_soc_acpi_mach {}, and we test !link->num_adr as a cond... 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 management and system functionality. It supports a wide range of hardware architectures and is known for its robustness and performance. However, vulnerabilities can arise, impacting system stability and security. This specific vulnerability affects the ASoC (ALSA System on Chip) subsystem, which is responsible for audio processing in Intel platforms, highlighting a flaw in how link addresses are managed.
Vulnerability Detail
In the Linux kernel, a vulnerability has been identified in the ASoC subsystem related to Intel audio devices. The issue arises from the absence of a 'links_num' field in the 'snd_soc_acpi_mach' structure, leading to improper handling of the 'snd_soc_acpi_link_adr' array. The condition that checks for 'link->num_adr' can cause the system to mismanage audio link addresses, potentially resulting in system crashes or audio malfunctions. This vulnerability is critical as it can affect the stability of audio processing on affected devices.
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 as soon as it is available.
Conclusion
The vulnerability in the Linux kernel related to ASoC Intel link address handling poses significant risks to system stability and audio functionality. Users are urged to update to the latest patched version to mitigate these risks. Utilizing tools like Vulert can help in monitoring for such vulnerabilities effectively.
See every vulnerability recorded for linux →
FAQ
The vulnerability can lead to system instability and audio processing failures on devices using the affected Linux kernel versions.
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.
Yes, a patch has been released in version 6.10.11-1 of the Linux kernel.
While there are no specific workarounds, it is recommended to monitor your system for unusual behavior and plan for an update as soon as possible.
Detailed information can be found in the Debian CVE database at https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-46863.json.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
