Use After Free in perf | CVE-2024-42285

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Snyk IDSNYK-AMZN2-PERF-9299454
published7 Mar 2025
disclosed17 Aug 2024

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Introduced: 17 Aug 2024

CVE-2024-42285 (opens in a new tab) CWE-416 (opens in a new tab)

Amendment

The Amazon-Linux security team deemed this advisory irrelevant for Amazon-Linux:2.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Amazon-Linux.

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-&gt;cm_id.iw = cm_id;
    cm_id-&gt;context = conn_id;
    cm_id-&gt;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.

Use After Free The advisory has been revoked - it doesn't affect any version of package perf (opens in a new tab)