CVE-2024-56722: linux kernel DoS — Fix

Description

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.

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CVSS v3.1 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-770 CWE-770

Affected Products

Vendor	Product	Versions
linux	linux_kernel	4.9 — 6.1.120
linux	linux_kernel	6.2 — 6.6.64
linux	linux_kernel	6.7 — 6.11.11
linux	linux_kernel	6.12 — 6.12.2

References

Advisories & Patches

https://git.kernel.org/stable/c/31c6fe9b79ed42440094f2367897aea0c0ce96ec https://git.kernel.org/stable/c/323275ac2ff15b2b7b3eac391ae5d8c5a3c3a999 https://git.kernel.org/stable/c/a0e4c78770faa0d56d47391476fe1d827e72eded https://git.kernel.org/stable/c/b4ba31e5aaffbda9b22d9a35c40b16dc39e475a6 https://git.kernel.org/stable/c/e2e64f9c42c717beb459ab209ec1c4baa73d3760

Other References

https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html

Frequently Asked Questions

What is CVE-2024-56722? +

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. It has a CVSS v3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2024-56722? +

CVE-2024-56722 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-56722? +

CVE-2024-56722 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-56722? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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