tipc: Fix bit overflow in tipc_crypto_key_rcv() in Linux Kernel
Summary
GSD-2022-1000787: tipc: fix a bit overflow in tipc_crypto_key_rcv(). Affects Kernel versions < 5340a0924ea9c07c5d9a7c5476317731131eead2. No fix is published. How to fix ↓
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Background
The Linux Kernel is a widely used open-source operating system kernel that serves as the foundation for various Linux distributions. It provides essential functionality for managing system resources, device drivers, and security. The Transmission Control Protocol (TCP) is a core component of the Linux Kernel that facilitates reliable and ordered delivery of data between networked devices. The vulnerability in question affects the TCP implementation in the Linux Kernel.
Vulnerability Detail
The vulnerability, identified as GSD-2022-1000787, resides in the tipc_crypto_key_rcv() function within the TCP implementation of the Linux Kernel. It is caused by a bit overflow issue. An attacker could potentially exploit this vulnerability to execute arbitrary code or trigger a denial-of-service condition. The impact and attack plausibility of this vulnerability have not been proven yet. The vulnerability has been fixed in the Linux Kernel version v5.15.27 by commit 5340a0924ea9c07c5d9a7c5476317731131eead2.
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 vulnerability in the tipc_crypto_key_rcv() function of the TCP implementation in the Linux Kernel can potentially lead to arbitrary code execution or denial-of-service attacks. It is crucial to update the Linux Kernel to version v5.15.27 or later to mitigate 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 could potentially allow an attacker to execute arbitrary code or cause a denial-of-service condition.
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 and the Vulert Playground will provide real-time alerts for open-source vulnerabilities.
Yes, the vulnerability has been fixed in the Linux Kernel version v5.15.27 by commit 5340a0924ea9c07c5d9a7c5476317731131eead2. It is recommended to update to this version or a later one.
As there is no specific workaround mentioned for this vulnerability, it is recommended to update to the fixed version of the Linux Kernel as soon as possible.
You can refer to the vulnerability details in the GSD database: https://github.com/cloudsecurityalliance/gsd-database/blob/main/2022/1000xxx/GSD-2022-1000787.json
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