net/smc: Fix 'workqueue leaked lock' in smc_conn_abort_work
Summary
GSD-2021-1001756: net/smc: fix 'workqueue leaked lock' in smc_conn_abort_work. Affects Kernel versions >= b286a0651e4404ab96cdfdcdad8a839a26b3751e, < 79816b227dab7ef8ed3d48203429c0d3d9ac99de. No fix is published. How to fix ↓
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Background
The net/smc package is a part of the Linux Kernel ecosystem. It provides support for the SMC (System Management Controller) protocol, which is used for communication between systems. The smc_conn_abort_work function in this package is vulnerable to a 'workqueue leaked lock' issue.
Vulnerability Detail
The 'workqueue leaked lock' vulnerability in smc_conn_abort_work can lead to potential security risks. Although the impact and attack plausibility have not been proven, it is important to address this vulnerability to ensure the integrity and security of the system. The vulnerability was introduced in Linux Kernel version v5.8 and fixed in version v5.14.9.
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
The 'workqueue leaked lock' vulnerability in smc_conn_abort_work in the net/smc package of the Linux Kernel can pose potential security risks. It is recommended to update the Linux Kernel to version v5.14.9 or later to fix this vulnerability. For further support on vulnerability remediation, you can reach out to DevNack.com.
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FAQ
The impact of this vulnerability is currently unknown as the attack plausibility has not been proven. However, it is important to address the vulnerability to ensure system security.
You can use tools like Vulert (https://vulert.com) to check if your system is affected by this vulnerability. Vulert uses a manifest file like package-lock.json to monitor and alert in real-time for open-source vulnerabilities in the software.
Yes, the vulnerability has been fixed in Linux Kernel version v5.14.9. It is recommended to update to this version or later to mitigate the vulnerability.
There are no known exploits for this vulnerability at the moment.
You can refer to the vulnerability details in the Open Source Vulnerability format provided by the Cloud Security Alliance's GSD database. The details include the commit IDs, affected versions, and references link.
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