CVE-2026-90411
Last modified
CVE-2026-90411 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: nvme-fc: unmap cmd_iu DMA on rsp_iu mapping failure in init_request __nvme_fc_init_request() maps cmd_iu and then rsp_iu for DMA. If the rsp_iu mapping fails, the original code only recorded the error and fell through: it left the already-mapped cmd_iu unmapped and still marked the op as FCPOP_STATE_IDLE before returning.
Description
In the Linux kernel, the following vulnerability has been resolved: nvme-fc: unmap cmd_iu DMA on rsp_iu mapping failure in init_request __nvme_fc_init_request() maps cmd_iu and then rsp_iu for DMA. If the rsp_iu mapping fails, the original code only recorded the error and fell through: it left the already-mapped cmd_iu unmapped and still marked the op as FCPOP_STATE_IDLE before returning. Since blk-mq does not call .exit_request() when .init_request() fails, the cmd_iu mapping is leaked for every op whose rsp_iu mapping fails. Jump to an error path on rsp_iu mapping failure that unmaps cmd_iu and returns the error without marking the op idle, so it stays in the FCPOP_STATE_UNINIT state set by the initial memset().
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= e399441de9115cd472b8ace6c517708273ca7997, < c0892cfb60a75e2c86ba8e2127b133f6549c12b3; >= e399441de9115cd472b8ace6c517708273ca7997, < 5e820d04c241c81a47e1940349018690e93d8167; >= e399441de9115cd472b8ace6c517708273ca7997, < bb0251991420c25e3ceeac40ea09250d79ed7ef0; >= e399441de9115cd472b8ace6c517708273ca7997, < acc173608ca7abe5dee8983086b44efd8b0dbc84; >= e399441de9115cd472b8ace6c517708273ca7997, < 18c5781ed8bc2f423c26ec93e47e2057cd76a783; >= e399441de9115cd472b8ace6c517708273ca7997, < bd764baf82bb46e958a0bd0b481630dd71313055; >= e399441de9115cd472b8ace6c517708273ca7997, < be5eb47ee3fea338efae1a5b678d6bb5f0fcc931; >= e399441de9115cd472b8ace6c517708273ca7997, < f49d0c3a8d56a7cda1628ae17341a4a42063563c |
| Linux | Linux | 4.10 |
References
Timeline
- Published
- Last Modified
- Status
- Received
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