Unintentional Stack Access in mtd: physmap-bt1-rom
Summary
UVI-2021-1000152: mtd: physmap: physmap-bt1-rom: Fix unintentional stack access. Affects Kernel versions >= b3e79e7682e075326df8041b826b03453acacd0a, < 34ec706bf0b7c4ca249a729c1bcb91f706c7a7be. No fix is published. How to fix ↓
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Background
The mtd (Memory Technology Device) subsystem in the Linux Kernel provides an abstraction layer for accessing different types of flash memory devices. One of the supported devices is physmap-bt1-rom, which is used for accessing ROM-based flash memory. This vulnerability affects the physmap-bt1-rom driver in the Linux Kernel.
Vulnerability Detail
The physmap-bt1-rom driver in the Linux Kernel has a flaw that leads to unintentional stack access. This vulnerability can potentially be exploited by an attacker to gain unauthorized access or execute arbitrary code. The issue was introduced in version v5.10 of the Linux Kernel and was fixed in version v5.10.36.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no known workaround for this vulnerability. It is advised to apply the official patch or update the Linux Kernel to the fixed version.
Conclusion
The mtd physmap-bt1-rom driver in the Linux Kernel has been found to have a vulnerability that allows unintentional stack access. This can potentially be exploited by attackers to gain unauthorized access or execute arbitrary code. It is crucial to update the Linux Kernel to version v5.10.36 or later to mitigate this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
This vulnerability can potentially be exploited by an attacker to gain unauthorized access or execute arbitrary code.
The vulnerability was introduced in version v5.10 of the Linux Kernel.
You can use Vulert's 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.
There is no known workaround for this vulnerability. It is recommended to update the Linux Kernel to the fixed version.
You can find more information about this vulnerability in the Open Source Vulnerability database (https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1000xxx/UVI-2021-1000152.json).
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