{"api_version":"1","generated_at":"2026-08-15T08:44:36+00:00","cve":"CVE-2026-74394","urls":{"html":"https://cve.report/CVE-2026-74394","api":"https://cve.report/api/cve/CVE-2026-74394.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74394","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74394"},"summary":{"title":"RDMA/srpt: fix integer overflow in immediate data length check","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/srpt: fix integer overflow in immediate data length check\n\nimm_buf->len 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.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:41","updated_at":"2026-08-15 06:22:41"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/07dec3f6dcb6c6cc891162d252b800eb0e6d5e8e","name":"https://git.kernel.org/stable/c/07dec3f6dcb6c6cc891162d252b800eb0e6d5e8e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c82c860f8c8e4f4f454c9f14d0ad0c0466965f7d","name":"https://git.kernel.org/stable/c/c82c860f8c8e4f4f454c9f14d0ad0c0466965f7d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dcf7a986f377cce0749ed53f1d64195fbd5fdf91","name":"https://git.kernel.org/stable/c/dcf7a986f377cce0749ed53f1d64195fbd5fdf91","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/eb4ecdf631fe00e8020bf461503cb9b7017ed796","name":"https://git.kernel.org/stable/c/eb4ecdf631fe00e8020bf461503cb9b7017ed796","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/72497172a4799119a0282a5eb5e2b8ddcc821921","name":"https://git.kernel.org/stable/c/72497172a4799119a0282a5eb5e2b8ddcc821921","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3efa5301137140a3ca3677a9098c0a93a0acfd49","name":"https://git.kernel.org/stable/c/3efa5301137140a3ca3677a9098c0a93a0acfd49","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/067b9556eeb007f28b7c2033b4dcde5b6d88418f","name":"https://git.kernel.org/stable/c/067b9556eeb007f28b7c2033b4dcde5b6d88418f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/65572fbd86033ae2370125593d59b8be34253aaf","name":"https://git.kernel.org/stable/c/65572fbd86033ae2370125593d59b8be34253aaf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74394","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74394","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5dabcd0456d7ee17c2c7a17d7c2305444d2b9639 c82c860f8c8e4f4f454c9f14d0ad0c0466965f7d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5dabcd0456d7ee17c2c7a17d7c2305444d2b9639 3efa5301137140a3ca3677a9098c0a93a0acfd49 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5dabcd0456d7ee17c2c7a17d7c2305444d2b9639 067b9556eeb007f28b7c2033b4dcde5b6d88418f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5dabcd0456d7ee17c2c7a17d7c2305444d2b9639 dcf7a986f377cce0749ed53f1d64195fbd5fdf91 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/srpt: fix integer overflow in immediate data length check\n\nimm_buf->len 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."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:59:07.144Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/c82c860f8c8e4f4f454c9f14d0ad0c0466965f7d"},{"url":"https://git.kernel.org/stable/c/3efa5301137140a3ca3677a9098c0a93a0acfd49"},{"url":"https://git.kernel.org/stable/c/067b9556eeb007f28b7c2033b4dcde5b6d88418f"},{"url":"https://git.kernel.org/stable/c/dcf7a986f377cce0749ed53f1d64195fbd5fdf91"},{"url":"https://git.kernel.org/stable/c/07dec3f6dcb6c6cc891162d252b800eb0e6d5e8e"},{"url":"https://git.kernel.org/stable/c/65572fbd86033ae2370125593d59b8be34253aaf"},{"url":"https://git.kernel.org/stable/c/72497172a4799119a0282a5eb5e2b8ddcc821921"},{"url":"https://git.kernel.org/stable/c/eb4ecdf631fe00e8020bf461503cb9b7017ed796"}],"title":"RDMA/srpt: fix integer overflow in immediate data length check","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74394","datePublished":"2026-08-15T05:59:07.144Z","dateReserved":"2026-08-15T05:44:03.891Z","dateUpdated":"2026-08-15T05:59:07.144Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:41","lastModifiedDate":"2026-08-15 06:22:41","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74394","Ordinal":"1","Title":"RDMA/srpt: fix integer overflow in immediate data length check","CVE":"CVE-2026-74394","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74394","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/srpt: fix integer overflow in immediate data length check\n\nimm_buf->len 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.","Type":"Description","Title":"RDMA/srpt: fix integer overflow in immediate data length check"}]}}}