Out of Bound Access in isofs Package
Summary
GSD-2021-1001992: isofs: Fix out of bound access for corrupted isofs image. Affects Kernel versions < b0ddff8d68f2e43857a84dce54c3deab181c8ae1. No fix is published. How to fix ↓
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Background
The isofs package is a component of the Linux Kernel, which is responsible for handling ISO 9660 file systems. ISO 9660 is a standard file system for optical disc media, commonly used for CDs and DVDs. The isofs package provides support for reading and writing ISO 9660 file systems in the Linux operating system. It is an integral part of the kernel and is widely used in various Linux distributions.
Vulnerability Detail
The vulnerability identified as GSD-2021-1001992 in the isofs package involves an out-of-bounds access issue when processing a corrupted isofs image. This vulnerability could potentially be exploited by an attacker to execute arbitrary code or cause a denial of service. The issue arises due to improper bounds checking during the parsing of the corrupted image, leading to a buffer overflow. Successful exploitation of this vulnerability could result in a system compromise or crash.
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 essential to apply the provided fix by updating the Linux Kernel to the patched version.
Conclusion
The isofs package in the Linux Kernel is vulnerable to an out-of-bounds access issue when processing a corrupted isofs image. This vulnerability could lead to arbitrary code execution or denial of service. It is crucial to update the Linux Kernel to the patched version to mitigate this vulnerability. For further support or assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
The isofs package is a component of the Linux Kernel that handles ISO 9660 file systems, commonly used for CDs and DVDs.
This vulnerability could allow an attacker to execute arbitrary code or cause a denial of service on a system running a vulnerable version of the isofs package.
To fix this vulnerability, update the Linux Kernel to version v4.19.217 or later, which includes the necessary patch for this issue.
No, there is no known workaround for this vulnerability. Updating the Linux Kernel to the patched version is the recommended solution.
For more details about this vulnerability, refer to the provided references link in the vulnerability details section.
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