Use-after-free vulnerability in ice: arfs
Summary
GSD-2022-1000984: ice: arfs: fix use-after-free when freeing @rx_cpu_rmap. Affects Kernel versions >= 28bf26724fdb0e02267d19e280d6717ee810a10d, < d08d2fb6d99d82da1c63aba5c0d1c6f237e150f3. No fix is published. How to fix ↓
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Background
The affected package is the Linux Kernel, which is a critical component of the Linux operating system. It provides the core functionality and interfaces for the system's hardware, processes, and security. The vulnerability specifically affects the 'ice' driver module, which is responsible for managing network interfaces on Intel Ethernet devices.
Vulnerability Detail
The use-after-free vulnerability in the 'arfs' component of the 'ice' driver module allows an attacker to exploit a freed memory region, potentially leading to arbitrary code execution or a system crash. This vulnerability was introduced in version 5.8 of the Linux Kernel and was fixed in version 5.17.4. The vulnerability occurs when freeing the 'rx_cpu_rmap' data structure, resulting in a use-after-free condition. Successful exploitation of this vulnerability could allow an attacker to gain elevated privileges or disrupt the normal operation of the system.
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 fix by updating the Linux Kernel to a version that includes the patch.
Conclusion
The use-after-free vulnerability in the 'arfs' component of the 'ice' driver module in the Linux Kernel poses a significant risk to the security and stability of affected systems. It is crucial to update the Linux Kernel to version 5.17.4 or later to mitigate this vulnerability. For further assistance or support in vulnerability remediation, please contact DevNack.com.
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FAQ
The use-after-free vulnerability in the 'arfs' component of the 'ice' driver module can potentially allow an attacker to execute arbitrary code or crash the system, leading to a denial of service or privilege escalation.
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 to the playground, and it will analyze the dependencies and alert you if any vulnerabilities are found.
At the time of this report, there is no known public exploit for this vulnerability. However, it is crucial to apply the fix as soon as possible to mitigate the risk.
Yes, this vulnerability can be exploited remotely if the affected system is exposed to malicious network traffic. It is recommended to update the Linux Kernel to the latest version to prevent potential remote exploitation.
All systems running the affected versions of the Linux Kernel with the 'ice' driver module enabled are potentially vulnerable. It is recommended to update all affected systems to the latest version of the Linux Kernel.
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