{"id":"CVE-2026-74394","summary":"RDMA/srpt: fix integer overflow in immediate data length check","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/srpt: fix integer overflow in immediate data length check\n\nimm_buf-\u003elen is a user-controlled uint32_t received from the network.\nAdding it to imm_data_offset without overflow checking allows a\nmalicious initiator to send len=0xFFFFFFFF, causing req_size to wrap\naround to a small value, bypassing the bounds check, and subsequently\npassing a ~4GB length to sg_init_one().\n\nUse check_add_overflow() to detect wrapping before the comparison.","modified":"2026-10-24T02:34:11.532580881Z","published":"2026-08-15T05:59:07.144Z","related":["SUSE-SU-2026:23477-1","SUSE-SU-2026:23481-1","SUSE-SU-2026:23528-1","SUSE-SU-2026:23529-1","SUSE-SU-2026:23881-1","SUSE-SU-2026:23887-1","SUSE-SU-2026:23897-1","SUSE-SU-2026:23902-1","SUSE-SU-2026:23993-1","SUSE-SU-2026:23994-1","SUSE-SU-2026:23995-1","SUSE-SU-2026:23996-1","SUSE-SU-2026:23997-1","SUSE-SU-2026:23998-1","SUSE-SU-2026:23999-1","SUSE-SU-2026:24000-1","SUSE-SU-2026:24001-1","SUSE-SU-2026:24002-1","SUSE-SU-2026:24003-1","SUSE-SU-2026:24004-1","SUSE-SU-2026:24005-1","SUSE-SU-2026:24006-1","SUSE-SU-2026:24007-1","SUSE-SU-2026:24008-1","SUSE-SU-2026:24009-1","SUSE-SU-2026:24010-1","SUSE-SU-2026:24016-1","SUSE-SU-2026:24022-1","SUSE-SU-2026:24023-1","SUSE-SU-2026:24024-1","SUSE-SU-2026:24025-1","SUSE-SU-2026:24026-1","SUSE-SU-2026:24027-1","SUSE-SU-2026:24028-1","SUSE-SU-2026:24029-1","SUSE-SU-2026:24030-1","SUSE-SU-2026:24031-1","SUSE-SU-2026:24032-1","SUSE-SU-2026:24033-1","SUSE-SU-2026:24034-1","SUSE-SU-2026:24035-1","SUSE-SU-2026:24036-1","SUSE-SU-2026:24037-1","SUSE-SU-2026:24038-1","SUSE-SU-2026:24040-1","SUSE-SU-2026:24041-1","SUSE-SU-2026:24042-1","SUSE-SU-2026:24043-1","SUSE-SU-2026:24044-1","SUSE-SU-2026:24045-1","SUSE-SU-2026:24046-1","SUSE-SU-2026:24047-1","SUSE-SU-2026:24048-1","SUSE-SU-2026:24049-1","SUSE-SU-2026:24050-1","SUSE-SU-2026:24051-1","SUSE-SU-2026:24052-1","SUSE-SU-2026:24053-1","SUSE-SU-2026:24054-1","SUSE-SU-2026:24058-1","SUSE-SU-2026:24059-1","SUSE-SU-2026:24060-1","SUSE-SU-2026:24061-1","SUSE-SU-2026:24062-1","SUSE-SU-2026:24063-1","SUSE-SU-2026:24064-1","SUSE-SU-2026:24065-1","SUSE-SU-2026:24066-1","SUSE-SU-2026:24067-1","SUSE-SU-2026:24068-1","SUSE-SU-2026:24069-1","SUSE-SU-2026:24070-1","SUSE-SU-2026:24071-1","SUSE-SU-2026:24072-1","SUSE-SU-2026:24074-1","SUSE-SU-2026:24075-1","SUSE-SU-2026:24076-1","SUSE-SU-2026:24077-1","SUSE-SU-2026:24078-1","SUSE-SU-2026:24079-1","SUSE-SU-2026:24080-1","SUSE-SU-2026:24081-1","SUSE-SU-2026:24082-1","SUSE-SU-2026:24083-1","SUSE-SU-2026:24084-1","SUSE-SU-2026:24085-1","SUSE-SU-2026:24086-1","SUSE-SU-2026:24087-1","SUSE-SU-2026:24088-1","SUSE-SU-2026:24089-1","SUSE-SU-2026:24090-1","SUSE-SU-2026:24092-1","SUSE-SU-2026:24093-1","SUSE-SU-2026:24094-1","SUSE-SU-2026:24095-1","SUSE-SU-2026:24097-1","SUSE-SU-2026:24098-1","SUSE-SU-2026:24099-1","SUSE-SU-2026:24100-1","SUSE-SU-2026:24101-1","SUSE-SU-2026:24102-1","SUSE-SU-2026:24103-1","SUSE-SU-2026:24104-1","SUSE-SU-2026:24105-1","SUSE-SU-2026:24106-1","SUSE-SU-2026:24107-1","SUSE-SU-2026:24108-1","SUSE-SU-2026:24160-1","SUSE-SU-2026:24161-1","SUSE-SU-2026:24162-1","SUSE-SU-2026:24163-1","SUSE-SU-2026:24164-1","SUSE-SU-2026:24165-1","SUSE-SU-2026:24166-1","SUSE-SU-2026:24167-1","SUSE-SU-2026:24168-1","SUSE-SU-2026:24169-1","SUSE-SU-2026:24170-1","SUSE-SU-2026:24171-1","SUSE-SU-2026:24172-1","SUSE-SU-2026:24173-1","SUSE-SU-2026:24174-1","SUSE-SU-2026:24175-1","SUSE-SU-2026:4120-1","SUSE-SU-2026:4254-1","SUSE-SU-2026:4279-1","SUSE-SU-2026:4284-1","SUSE-SU-2026:4347-1","SUSE-SU-2026:4369-1","SUSE-SU-2026:4415-1","SUSE-SU-2026:4433-1","SUSE-SU-2026:4471-1","SUSE-SU-2026:4489-1","SUSE-SU-2026:4497-1","SUSE-SU-2026:4498-1","SUSE-SU-2026:4507-1","SUSE-SU-2026:4513-1","SUSE-SU-2026:4514-1","SUSE-SU-2026:4516-1","SUSE-SU-2026:4518-1","SUSE-SU-2026:4519-1","SUSE-SU-2026:4531-1","SUSE-SU-2026:4537-1","SUSE-SU-2026:4540-1","SUSE-SU-2026:4595-1","openSUSE-SU-2026:21910-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74394.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/067b9556eeb007f28b7c2033b4dcde5b6d88418f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/07dec3f6dcb6c6cc891162d252b800eb0e6d5e8e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3efa5301137140a3ca3677a9098c0a93a0acfd49"},{"type":"WEB","url":"https://git.kernel.org/stable/c/65572fbd86033ae2370125593d59b8be34253aaf"},{"type":"WEB","url":"https://git.kernel.org/stable/c/72497172a4799119a0282a5eb5e2b8ddcc821921"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c82c860f8c8e4f4f454c9f14d0ad0c0466965f7d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dcf7a986f377cce0749ed53f1d64195fbd5fdf91"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eb4ecdf631fe00e8020bf461503cb9b7017ed796"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74394.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74394"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5dabcd0456d7ee17c2c7a17d7c2305444d2b9639"},{"fixed":"c82c860f8c8e4f4f454c9f14d0ad0c0466965f7d"},{"fixed":"3efa5301137140a3ca3677a9098c0a93a0acfd49"},{"fixed":"067b9556eeb007f28b7c2033b4dcde5b6d8841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