ASoC: ops: Reject out of bounds values in snd_soc_put_volsw_sx() - Kernel
Summary
GSD-2022-1000282: ASoC: ops: Reject out of bounds values in snd_soc_put_volsw_sx(). Affects Kernel versions < e8e07c5e25a29e2a6f119fd947f55d7a55eb8a13. No fix is published. How to fix ↓
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Background
The Kernel is a crucial component of the Linux operating system, responsible for managing system resources and providing an interface between hardware and software. It includes various subsystems, one of which is the ASoC (Audio System on Chip) subsystem. ASoC is designed to support audio functionality on embedded systems, providing drivers and APIs for audio devices. The vulnerability in question affects the ASoC ops (operations) interface, specifically the snd_soc_put_volsw_sx() function.
Vulnerability Detail
The vulnerability in snd_soc_put_volsw_sx() allows for the acceptance of out-of-bounds values, which can lead to potential security issues. This function is responsible for handling volume switch controls in the ASoC subsystem. By accepting invalid values, an attacker could manipulate the volume settings beyond the intended range, potentially causing audio distortion or even triggering a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven yet.
How To Fix
No fixed version is published for this vulnerability.
The vulnerability has been fixed in Linux Kernel version v5.15.22 by commit e8e07c5e25a29e2a6f119fd947f55d7a55eb8a13. To fix the vulnerability, users should update their Kernel to the latest version available. This can be done by downloading the updated Kernel source code from the official Git repository (https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/) and following the installation instructions provided.
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Workaround
No workaround has been mentioned for this vulnerability.
Conclusion
The vulnerability in the ASoC ops interface's snd_soc_put_volsw_sx() function can potentially lead to audio distortion or denial-of-service conditions. It is recommended to update the Kernel to the latest version, v5.15.22, to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The ASoC (Audio System on Chip) subsystem is a component of the Linux Kernel that provides support for audio functionality on embedded systems. It includes drivers and APIs for audio devices.
snd_soc_put_volsw_sx() is a function in the ASoC ops (operations) interface that handles volume switch controls. It allows for adjusting the volume settings of audio devices.
The acceptance of out-of-bounds values in snd_soc_put_volsw_sx() can lead to audio distortion or denial-of-service conditions. However, the actual impact and attack plausibility have not been proven yet.
Yes, the vulnerability has been fixed in Linux Kernel version v5.15.22 by commit e8e07c5e25a29e2a6f119fd947f55d7a55eb8a13.
To fix the vulnerability, users should update their Kernel to the latest version available. This can be done by downloading the updated Kernel source code from the official Git repository (https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/) and following the installation instructions provided.
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