by Kastro CVE-2026-74345
Linux Linux — RDMA/siw: Fix endpoint/socket association handling
Description · from the CVE record
In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix endpoint/socket association handling Disassociating a socket from an endpoint via siw_socket_disassoc() may release the last reference on that endpoint and free it. Therefore, don't clear the endpoints socket pointer after calling that function, but within. This fixes a: BUG: KASAN: slab-use-after-free in siw_cm_work_handler (drivers/infiniband/sw/siw/siw_cm.c:1053 drivers/infiniband/sw/siw/siw_cm.c:1075) which occurred after processing a malformed MPA request during connection establishment, causing the new endpoint to be closed.
Affected
ProductAffectedFixed inSource
Linux6c52fdc244b5ccc468006fd65a504d4ee33743c7 – < ff584d3735b13a1d7f8cd072f98fea40b6062518ff584d3735b13a1d7f8cd072f98fea40b6062518CNA
Linux6c52fdc244b5ccc468006fd65a504d4ee33743c7 – < b28d513393f81e2de00f82970487a9d001557e4eb28d513393f81e2de00f82970487a9d001557e4eCNA
Linux6c52fdc244b5ccc468006fd65a504d4ee33743c7 – < f6183983ce1ff254d629a333739082b39d7c5eb6f6183983ce1ff254d629a333739082b39d7c5eb6CNA
Linux6c52fdc244b5ccc468006fd65a504d4ee33743c7 – < b6cf763eee0a932792bef64ceaca568d324192fcb6cf763eee0a932792bef64ceaca568d324192fcCNA
Linux6c52fdc244b5ccc468006fd65a504d4ee33743c7 – < ea4f6f6c53577fb3f05dbd78b15e586772d49831ea4f6f6c53577fb3f05dbd78b15e586772d49831CNA
Linux5.3–CNA
Scores by source
Linux (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total