Vulnerability in Kernel package: ata: sata_dwc_460ex: Fix crash due to OOB write
Summary
GSD-2022-1001345: ata: sata_dwc_460ex: Fix crash due to OOB write. Affects Kernel versions >= 28361c403683c2b00d4f5e76045f3ccd299bf99d, < 234c0132f76f0676d175757f61b0025191a3d935. No fix is published. How to fix ↓
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Background
The Kernel package is a critical component of the Linux operating system, responsible for managing the system's core functionality. It provides essential services and interfaces for hardware devices, file systems, and process management. The sata_dwc_460ex driver within the Kernel package handles communication with SATA devices using the DesignWare Cores SATA IP. This driver is susceptible to a vulnerability that can lead to a system crash due to an out-of-bounds write error.
Vulnerability Detail
The vulnerability in the sata_dwc_460ex driver arises from an out-of-bounds write issue. An attacker could exploit this vulnerability by sending specially crafted input to the driver, triggering the out-of-bounds write and potentially causing a system crash. The impact of this vulnerability could range from denial of service to potential privilege escalation if combined with other vulnerabilities. The vulnerability was introduced in version v4.18 of the Linux Kernel and has been fixed in version v5.16.20.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a workaround, users can disable the sata_dwc_460ex driver if it is not required for their system. This can be achieved by blacklisting the driver module or configuring the Kernel to exclude it during the build process. However, it is important to note that this workaround may result in the loss of SATA device functionality.
Conclusion
The vulnerability in the sata_dwc_460ex driver of the Kernel package can lead to system crashes and potential privilege escalation. It is crucial to update the Linux Kernel package to version v5.16.20 or later to mitigate this vulnerability. Alternatively, users can disable the sata_dwc_460ex driver if it is not required, but this may result in the loss of SATA device functionality. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability can range from denial of service to potential privilege escalation if combined with other vulnerabilities. It could lead to system crashes and instability.
You can use the Vulert Playground at Vulert 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.
Yes, a patch has been released in version v5.16.20 of the Linux Kernel. It is recommended to update to this version or later to fix the vulnerability.
As a temporary measure, you can disable the sata_dwc_460ex driver if it is not required for your system. However, this may result in the loss of SATA device functionality.
You can find more information about this vulnerability in the official Linux Kernel repository at https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/. Additionally, you can refer to the vulnerability database entry at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1001xxx/GSD-2022-1001345.json.
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