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CVE-2024-42285

9.8 · CRITICAL

In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix a use-after-free related to destroying CM IDs iw_conn_req_handler() associates a new struct rdma_id_private (con…

Published Aug 17, 2024CWE-416EPSS 0.87%

Overview

CVE-2024-42285 is a critical-severity vulnerability. It was published on August 17, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

RDMA/iwcm: Fix a use-after-free related to destroying CM IDs

iw_conn_req_handler() associates a new struct rdma_id_private (conn_id) with

an existing struct iw_cm_id (cm_id) as follows:

conn_id->cm_id.iw = cm_id;

cm_id->context = conn_id;

cm_id->cm_handler = cma_iw_handler;

rdma_destroy_id() frees both the cm_id and the struct rdma_id_private. Make

sure that cm_work_handler() does not trigger a use-after-free by only

freeing of the struct rdma_id_private after all pending work has finished.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/557d035fe88d78dd51664f4dc0e1896c04c97cf6Refgit.kernel.org/stable/c/7f25f296fc9bd0435be14e89bf657cd615a23574Refgit.kernel.org/stable/c/94ee7ff99b87435ec63211f632918dc7f44dac79Refgit.kernel.org/stable/c/aee2424246f9f1dadc33faa78990c1e2eb7826e4Refgit.kernel.org/stable/c/d91d253c87fd1efece521ff2612078a35af673c6Refgit.kernel.org/stable/c/dc8074b8901caabb97c2d353abd6b4e7fa5a59a5Refgit.kernel.org/stable/c/ee39384ee787e86e9db4efb843818ef0ea9cb8aeRefgit.kernel.org/stable/c/ff5bbbdee08287d75d72e65b72a2b76d9637892aReflists.debian.org/debian-lts-announce/2024/10/msg00003.htmlReflists.debian.org/debian-lts-announce/2025/01/msg00001.html

How CyberStrike helps

Frequently asked questions

What is CVE-2024-42285?

CVE-2024-42285 is a critical-severity vulnerability. It was published on August 17, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-42285?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-42285?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-42285?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-42285 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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