{"id":"CVE-2026-74345","title":"RDMA/siw: Fix endpoint/socket association handling","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/siw: Fix endpoint/socket association handling\n\nDisassociating a socket from an endpoint via siw_socket_disassoc() may\nrelease the last reference on that endpoint a…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 6c52fdc244b5ccc468006fd65a504d4ee33743c7 < b28d513393f81e2de00f82970487a9d001557e4e","Linux >= 6c52fdc244b5ccc468006fd65a504d4ee33743c7 < f6183983ce1ff254d629a333739082b39d7c5eb6","Linux >= 6c52fdc244b5ccc468006fd65a504d4ee33743c7 < b6cf763eee0a932792bef64ceaca568d324192fc","Linux >= 6c52fdc244b5ccc468006fd65a504d4ee33743c7 < ea4f6f6c53577fb3f05dbd78b15e586772d49831","Linux 5.3"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-16T18:54:06.183772Z"},"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T18:55:34.404Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74345","references":[{"url":"https://git.kernel.org/stable/c/b28d513393f81e2de00f82970487a9d001557e4e"},{"url":"https://git.kernel.org/stable/c/f6183983ce1ff254d629a333739082b39d7c5eb6"},{"url":"https://git.kernel.org/stable/c/b6cf763eee0a932792bef64ceaca568d324192fc"},{"url":"https://git.kernel.org/stable/c/ea4f6f6c53577fb3f05dbd78b15e586772d49831"}],"tags":["cve.org"],"epss":0.00444,"epssPercentile":0.37182,"ingestedAt":"2026-10-16T19:46:24.376Z","slug":"CVE-2026-74345","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/siw: Fix endpoint/socket association handling\n\nDisassociating a socket from an endpoint via siw_socket_disassoc() may\nrelease the last reference on that endpoint and free it. Therefore, don't\nclear the endpoints socket pointer after calling that function, but\nwithin.\n\nThis fixes a:\n\n  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)\n\nwhich occurred after processing a malformed MPA request during connection\nestablishment, causing the new endpoint to be closed.\n\n## Affected\n\n- `Linux >= 6c52fdc244b5ccc468006fd65a504d4ee33743c7 < b28d513393f81e2de00f82970487a9d001557e4e`\n- `Linux >= 6c52fdc244b5ccc468006fd65a504d4ee33743c7 < f6183983ce1ff254d629a333739082b39d7c5eb6`\n- `Linux >= 6c52fdc244b5ccc468006fd65a504d4ee33743c7 < b6cf763eee0a932792bef64ceaca568d324192fc`\n- `Linux >= 6c52fdc244b5ccc468006fd65a504d4ee33743c7 < ea4f6f6c53577fb3f05dbd78b15e586772d49831`\n- `Linux 5.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}