Critical NULL Pointer Dereference in Linux Kernel: ASoC cs-amp-lib Vulnerability
Summary
DEBIAN-CVE-2024-43896: In the Linux kernel, the following vulnerability has been resolved: ASoC: cs-amp-lib: Fix NULL pointer crash if efi.get_variable is NULL Call efi_rt_services_supported() to check that efi.get_variable exists before calli... Affects linux versions < 6.10.6-1. Fixed in 6.10.6-1. 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 the essential interface between hardware and software. It is known for its robustness, flexibility, and wide-ranging support for various hardware architectures. The kernel manages system resources and facilitates communication between hardware and software components. However, vulnerabilities can arise, such as the one identified in the ASoC (ALSA System on Chip) subsystem, which can lead to system crashes if not addressed.
Vulnerability Detail
The vulnerability identified as DEBIAN-CVE-2024-43896 is a NULL pointer dereference in the ASoC cs-amp-lib component of the Linux kernel. This issue occurs when the function efi.get_variable is called without first verifying its existence, potentially leading to a system crash. If exploited, this vulnerability could result in denial of service, affecting the stability of systems running the impacted kernel versions.
How To Fix
Minimum fixed version
6.10.6-1
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 DEBIAN-CVE-2024-43896 in the Linux kernel's ASoC cs-amp-lib component poses a significant risk of system crashes due to a NULL pointer dereference. Users are strongly encouraged to update to the patched version 6.10.6-1 to ensure system stability and security.
See every vulnerability recorded for linux →
FAQ
The vulnerability can lead to a NULL pointer dereference, causing a system crash and resulting in denial of service.
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 without requiring signup.
The affected versions are those prior to 6.10.6-1 for both Debian 13 and Debian 14.
Yes, the patch is available in version 6.10.6-1. Users should update to this version to mitigate the vulnerability.
While there are no specific workarounds, it is advisable to monitor your systems closely and apply the update as soon as possible.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
