CVE-2024-56722: RDMA/hns: Fix cpu stuck caused by printings during reset
First published: Sun Dec 29 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix cpu stuck caused by printings during reset During reset, cmd to destroy resources such as qp, cq, and mr may fail, and error logs will be printed. When a large number of resources are destroyed, there will be lots of printings, and it may lead to a cpu stuck. Delete some unnecessary printings and replace other printing functions in these paths with the ratelimited version.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | >=4.9<6.1.120 | |
| Linux Kernel | >=6.2<6.6.64 | |
| Linux Kernel | >=6.7<6.11.11 | |
| Linux Kernel | >=6.12<6.12.2 |
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Reference Links
- https://git.kernel.org/stable/c/31c6fe9b79ed42440094f2367897aea0c0ce96ec
- https://git.kernel.org/stable/c/b4ba31e5aaffbda9b22d9a35c40b16dc39e475a6
- https://git.kernel.org/stable/c/a0e4c78770faa0d56d47391476fe1d827e72eded
- https://git.kernel.org/stable/c/e2e64f9c42c717beb459ab209ec1c4baa73d3760
- https://git.kernel.org/stable/c/323275ac2ff15b2b7b3eac391ae5d8c5a3c3a999
Frequently Asked Questions
What is the severity of CVE-2024-56722?
The severity of CVE-2024-56722 has not been explicitly rated, but it addresses a significant issue in the Linux kernel that can lead to resource management problems.
How do I fix CVE-2024-56722?
To fix CVE-2024-56722, update to a patched version of the Linux kernel that addresses the resource handling during resets.
Which versions of the Linux kernel are affected by CVE-2024-56722?
CVE-2024-56722 affects multiple versions of the Linux kernel between 4.9 and 6.12.2.
What is the impact of CVE-2024-56722 on system performance?
CVE-2024-56722 can cause CPU stalling issues due to excessive logging during resource reset operations in the kernel.
Is CVE-2024-56722 a targeted attack or a general vulnerability?
CVE-2024-56722 is more of a general vulnerability that affects resource cleanup and logging in the Linux kernel rather than a targeted attack.
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