ASoC: ops: Reject out of bounds values in snd_soc_put_volsw() - Kernel
Summary
GSD-2022-1000088: ASoC: ops: Reject out of bounds values in snd_soc_put_volsw(). Affects Kernel versions < 40f598698129b5ceaf31012f9501b775c7b6e57d. No fix is published. How to fix ↓
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Background
The Kernel is a fundamental component of the Linux operating system, responsible for managing the system's resources and providing an interface between hardware and software. It includes various subsystems, such as ASoC (Audio System on Chip), which handles audio functionalities on embedded systems. ASoC provides an API for audio drivers to interact with the hardware. One of the functions in ASoC, snd_soc_put_volsw(), is responsible for setting the volume switch values. However, this function is vulnerable to accepting out-of-bounds values, which can lead to potential security issues.
Vulnerability Detail
The vulnerability in snd_soc_put_volsw() allows an attacker to provide out-of-bounds values, which can result in unexpected behavior or memory corruption. This can potentially be exploited to execute arbitrary code or cause a denial-of-service condition. The vulnerability was discovered in the Linux Kernel and has been assigned the ID GSD-2022-1000088. It has been fixed in Linux Kernel version v4.9.300 by commit 40f598698129b5ceaf31012f9501b775c7b6e57d.
How To Fix
No fixed version is published for this vulnerability.
To fix this vulnerability, it is recommended to update the Linux Kernel to version v4.9.300 or later. This can be done by pulling the latest changes from the official Linux Kernel repository and rebuilding the Kernel. Alternatively, users can wait for their Linux distribution to release an updated package containing the fix.
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Workaround
There is no specific workaround mentioned for this vulnerability. However, users can mitigate the risk by ensuring that their systems are updated with the latest security patches and following best practices for system security.
Conclusion
The vulnerability in snd_soc_put_volsw() in the Kernel can lead to potential security risks, including arbitrary code execution or denial-of-service. It is crucial to update the Linux Kernel to version v4.9.300 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The vulnerability can potentially allow an attacker to execute arbitrary code or cause a denial-of-service condition on systems running the affected version of the Linux Kernel.
You can use Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and Vulert will analyze it for any open-source vulnerabilities, including this one.
At the time of this report, there is no known public exploit for this vulnerability. However, it is important to apply the necessary security updates to mitigate the risk.
Yes, this vulnerability can be exploited remotely if the affected system is exposed to the internet and the necessary conditions are met.
To exploit this vulnerability, an attacker would need to have the ability to send specially crafted requests to the affected system.
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