Kernel Vulnerability in Linux Package: NULL Pointer Dereference in ASoC Driver
Summary
DEBIAN-CVE-2024-53199: In the Linux kernel, the following vulnerability has been resolved: ASoC: imx-audmix: Add NULL check in imx_audmix_probe devm_kasprintf() can return a NULL pointer on failure,but this returned value in imx_audmix_probe()... Affects linux versions < 6.12.3-1. Fixed in 6.12.3-1. How to fix ↓
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Background
The Linux kernel is a core component of the operating system that manages hardware and system resources. It provides essential services for all other parts of the operating system and is known for its robustness and flexibility. The kernel supports a wide range of hardware architectures and is used in various environments, from servers to embedded systems. However, vulnerabilities can arise, such as the one identified in the ASoC (ALSA System on Chip) driver, which can lead to system instability and security risks.
Vulnerability Detail
The vulnerability identified as DEBIAN-CVE-2024-53199 is related to the ASoC driver in the Linux kernel, specifically in the imx_audmix_probe function. The issue arises because the function does not check for a NULL pointer returned by devm_kasprintf(), which can lead to a kernel NULL pointer dereference error. This oversight can cause system crashes or unexpected behavior, potentially allowing an attacker to exploit the vulnerability to disrupt system operations.
How To Fix
Minimum fixed version
6.12.3-1
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 by updating the package as described above.
Conclusion
The vulnerability DEBIAN-CVE-2024-53199 in the Linux kernel's ASoC driver poses a significant risk due to the potential for NULL pointer dereference errors. Users are strongly advised to update their Linux packages to the patched version to ensure system stability and security.
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FAQ
DEBIAN-CVE-2024-53199 is a vulnerability in the Linux kernel related to the ASoC driver, which can lead to a NULL pointer dereference error.
If exploited, this vulnerability can cause system crashes or unexpected behavior, potentially leading to denial of service.
You can check if your application is affected by this vulnerability using Vulert, which monitors open-source vulnerabilities in real-time.
While there are no specific workarounds, it is crucial to prioritize updating the package as soon as possible to mitigate risks.
Detailed information about this vulnerability can be found in the Debian CVE database and through security advisories related to the Linux kernel.
References
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