Vulnerability in iio: buffer in Kernel
Summary
GSD-2022-1000442: iio: buffer: Fix file related error handling in IIO_BUFFER_GET_FD_IOCTL. Affects Kernel versions >= f73f7f4da581875f9b1f2fb8ebd1ab15ed634488, < b7f54894aa7517d2b6c797a499b9f491e9db9083. No fix is published. How to fix ↓
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Background
The iio: buffer is a component in the Linux Kernel that provides a buffer for Industrial I/O (IIO) devices. It allows userspace applications to read and write data from these devices. The IIO subsystem in the Kernel provides support for a wide range of sensors and other devices. However, a vulnerability has been discovered in the iio: buffer component that could potentially be exploited by attackers.
Vulnerability Detail
The vulnerability in iio: buffer is related to file handling in the IIO_BUFFER_GET_FD_IOCTL function. Due to improper error handling, an attacker may be able to exploit this vulnerability to gain elevated privileges or cause a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven yet. The vulnerability was introduced in Linux Kernel version v5.13 and has been fixed in version v5.15.24.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
No specific workaround has been mentioned for this vulnerability.
Conclusion
In conclusion, a vulnerability has been identified in the iio: buffer component of the Linux Kernel. This vulnerability could potentially allow attackers to gain elevated privileges or cause a denial-of-service condition. It is recommended to update the Kernel to version v5.15.24 or later to mitigate this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability could potentially allow an attacker to gain elevated privileges or cause a denial-of-service condition.
You can use the Vulert Playground (https://vulert.com/scanner) to check if your system is affected by this vulnerability. Simply upload your package-lock.json file and the Vulert Playground will analyze it for any open-source vulnerabilities, including this one.
Yes, a patch has been released in Linux Kernel version v5.15.24. It is recommended to update to this version or later to fix the vulnerability.
No known exploits for this vulnerability have been reported at this time.
The vulnerability was discovered by an automated ID intended to aid in the discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven.
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