vulnerability

Amazon Linux AMI: CVE-2024-42285: Security patch for kernel (ALAS-2025-1962)

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Aug 17, 2024
Added
Mar 7, 2025
Modified
May 21, 2025

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.

Solution

amazon-linux-upgrade-kernel
Title
NEW

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