Out-of-bounds Array Access in usb: isp1760
Summary
GSD-2022-1002862: usb: isp1760: Fix out-of-bounds array access. Affects Kernel versions >= 1da9e1c06873350c99ba49a052f92de85f2c69f2, < 463bddd3ff1acf4036ddb80c34a715eb99debf46. No fix is published. How to fix ↓
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Background
The usb: isp1760 package is a component of the Linux Kernel, which is responsible for managing USB functionality. It provides support for USB host and device controllers based on the ISP1760 USB controller chip. The package allows communication between USB devices and the operating system. However, a vulnerability has been discovered in the package that could lead to out-of-bounds array access.
Vulnerability Detail
The vulnerability in usb: isp1760 arises from an out-of-bounds array access issue. This means that the package attempts to access an array element outside the bounds of the array, which can result in memory corruption or unintended behavior. An attacker could potentially exploit this vulnerability to execute arbitrary code, escalate privileges, or cause a denial-of-service condition. The vulnerability was introduced in version v5.14 of the Linux Kernel and has been fixed in version v5.18.3.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If updating the Linux Kernel is not immediately feasible, a possible workaround is to disable the use of the usb: isp1760 package or restrict its access to trusted devices only. This can be achieved by modifying the kernel configuration or using kernel command-line parameters. However, it is important to note that these workarounds may limit USB functionality or introduce other compatibility issues.
Conclusion
The out-of-bounds array access vulnerability in usb: isp1760 can pose significant security risks. It is crucial to update the Linux Kernel to version v5.18.3 or later to mitigate this vulnerability. If immediate updating is not possible, consider implementing the provided workarounds. For further support on vulnerability remediation, contact DevNack.com.
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FAQ
usb: isp1760 is a package in the Linux Kernel that provides support for USB host and device controllers based on the ISP1760 USB controller chip.
The vulnerability can potentially allow an attacker to execute arbitrary code, escalate privileges, or cause a denial-of-service condition.
To fix the vulnerability, update the Linux Kernel to version v5.18.3 or later by compiling and installing the latest kernel source code.
A possible workaround is to disable or restrict access to the usb: isp1760 package, but this may limit USB functionality or introduce compatibility issues.
For more information, refer to the vulnerability details in the Open Source Vulnerability format at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1002xxx/GSD-2022-1002862.json
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