CVE-2026-74394 (GCVE-0-2026-74394)
Vulnerability from cvelistv5
Published
2026-08-15 05:59
Modified
2026-10-16 19:05
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/srpt: fix integer overflow in immediate data length check imm_buf->len is a user-controlled uint32_t received from the network. Adding it to imm_data_offset without overflow checking allows a malicious initiator to send len=0xFFFFFFFF, causing req_size to wrap around to a small value, bypassing the bounds check, and subsequently passing a ~4GB length to sg_init_one(). Use check_add_overflow() to detect wrapping before the comparison.
References
Impacted products
Vendor Product Version
Linux Linux Version: 5dabcd0456d7ee17c2c7a17d7c2305444d2b9639
Version: 5dabcd0456d7ee17c2c7a17d7c2305444d2b9639
Version: 5dabcd0456d7ee17c2c7a17d7c2305444d2b9639
Version: 5dabcd0456d7ee17c2c7a17d7c2305444d2b9639
Version: 5dabcd0456d7ee17c2c7a17d7c2305444d2b9639
Version: 5dabcd0456d7ee17c2c7a17d7c2305444d2b9639
Version: 5dabcd0456d7ee17c2c7a17d7c2305444d2b9639
Version: 5dabcd0456d7ee17c2c7a17d7c2305444d2b9639
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