Answer in brief
CVE-2026-74394 records a Critical severity (CVSS 9.8) vulnerability in RDMA/srpt: fix integer overflow in immediate data length check. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=5dabcd0456d7ee17c2c7a17d7c2305444d2b9639 <c82c860f8c8e4f4f454c9f14d0ad0c0466965f7d || >=5dabcd0456d7ee17c2c7a17d7c2305444d2b9639 <3efa5301137140a3ca3677a9098c0a93a0acfd49 || >=5dabcd0456d7ee17c2c7a17d7c2305444d2b9639 <067b9556eeb007f28b7c2033b4dcde5b6d88418f || >=5dabcd0456d7ee17c2c7a17d7c2305444d2b9639 <dcf7a986f377cce0749ed53f1d64195fbd5fdf91 || >=5dabcd0456d7ee17c2c7a17d7c2305444d2b9639 <07dec3f6dcb6c6cc891162d252b800eb0e6d5e8e || >=5dabcd0456d7ee17c2c7a17d7c2305444d2b9639 <65572fbd86033ae2370125593d59b8be34253aaf || >=5dabcd0456d7ee17c2c7a17d7c2305444d2b9639 <72497172a4799119a0282a5eb5e2b8ddcc821921 || >=5dabcd0456d7ee17c2c7a17d7c2305444d2b9639 <eb4ecdf631fe00e8020bf461503cb9b7017ed796 | c82c860f8c8e4f4f454c9f14d0ad0c0466965f7d, 3efa5301137140a3ca3677a9098c0a93a0acfd49, 067b9556eeb007f28b7c2033b4dcde5b6d88418f, dcf7a986f377cce0749ed53f1d64195fbd5fdf91, 07dec3f6dcb6c6cc891162d252b800eb0e6d5e8e, 65572fbd86033ae2370125593d59b8be34253aaf, 72497172a4799119a0282a5eb5e2b8ddcc821921, eb4ecdf631fe00e8020bf461503cb9b7017ed796 |
| Linux/Linuxgeneric | 5.0 | Not reported |
Published upstream
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 17, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 15, 2026
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.
Quoted source text, attributed separately from HOL analysis.