Vulnerability in ibmvnic: Free Reset-Work-Item when Flushing
Summary
GSD-2022-1000694: ibmvnic: free reset-work-item when flushing. Affects Kernel versions >= 2770a7984db588913e11a6dfcfe3461dbba9b7b2, < 4c26745e4576cec224092e6cc12e37829333b183. No fix is published. How to fix ↓
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Background
The ibmvnic package is a component of the Linux Kernel ecosystem. It provides support for IBM Virtual NIC (ibmvnic) devices. These devices are used in IBM Power Systems to enable network connectivity. The ibmvnic driver in the Linux Kernel allows users to configure and manage these virtual NICs. However, a vulnerability has been discovered in the ibmvnic driver that could potentially be exploited by attackers.
Vulnerability Detail
The vulnerability in the ibmvnic driver occurs when flushing the reset-work-item. This vulnerability allows an attacker to perform a denial-of-service (DoS) attack by causing a null pointer dereference. By exploiting this vulnerability, an attacker could crash the system or cause other disruptions. The vulnerability was introduced in version v4.18 of the Linux Kernel and has been fixed in version v5.16.13.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
There is no specific workaround mentioned for this vulnerability.
Conclusion
In conclusion, the ibmvnic package in the Linux Kernel is vulnerable to a null pointer dereference when flushing the reset-work-item. This vulnerability can be exploited to perform a denial-of-service attack. It is recommended to update the Linux Kernel to version v5.16.13 or later to fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The impact of this vulnerability is a potential denial-of-service (DoS) attack, which could lead to system crashes or disruptions.
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 fix for this vulnerability is available in version v5.16.13 of the Linux Kernel. It is recommended to update to this version or later to ensure the vulnerability is patched.
There are no known exploits of this vulnerability at the moment. However, it is important to apply the fix as soon as possible to mitigate any potential risks.
You can find more information about this vulnerability in the GSD-2022-1000694.json file available in the GSD Database repository on GitHub: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1000xxx/GSD-2022-1000694.json
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