{"id":"CVE-2026-90411","state":"PUBLISHED","title":"nvme-fc: unmap cmd_iu DMA on rsp_iu mapping failure in init_request","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-fc: unmap cmd_iu DMA on rsp_iu mapping failure in init_request\n\n__nvme_fc_init_request() maps cmd_iu and then rsp_iu for DMA. If the\nrsp_iu mapping fails, the original code only recorded the error and fell\nthrough: it left the already-mapped cmd_iu unmapped and still marked the\nop as FCPOP_STATE_IDLE before returning. Since blk-mq does not call\n.exit_request() when .init_request() fails, the cmd_iu mapping is leaked\nfor every op whose rsp_iu mapping fails.\n\nJump to an error path on rsp_iu mapping failure that unmaps cmd_iu and\nreturns the error without marking the op idle, so it stays in the\nFCPOP_STATE_UNINIT state set by the initial memset().","publishedAt":"2026-09-17T16:09:38.077Z","updatedAt":"2026-10-19T09:03:15.517Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"c0892cfb60a75e2c86ba8e2127b133f6549c12b3","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"5e820d04c241c81a47e1940349018690e93d8167","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"bb0251991420c25e3ceeac40ea09250d79ed7ef0","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"acc173608ca7abe5dee8983086b44efd8b0dbc84","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"18c5781ed8bc2f423c26ec93e47e2057cd76a783","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"bd764baf82bb46e958a0bd0b481630dd71313055","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"be5eb47ee3fea338efae1a5b678d6bb5f0fcc931","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"f49d0c3a8d56a7cda1628ae17341a4a42063563c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/host/fc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.10","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/host/fc.c"]}],"references":["https://git.kernel.org/stable/c/c0892cfb60a75e2c86ba8e2127b133f6549c12b3","https://git.kernel.org/stable/c/5e820d04c241c81a47e1940349018690e93d8167","https://git.kernel.org/stable/c/bb0251991420c25e3ceeac40ea09250d79ed7ef0","https://git.kernel.org/stable/c/acc173608ca7abe5dee8983086b44efd8b0dbc84","https://git.kernel.org/stable/c/18c5781ed8bc2f423c26ec93e47e2057cd76a783","https://git.kernel.org/stable/c/bd764baf82bb46e958a0bd0b481630dd71313055","https://git.kernel.org/stable/c/be5eb47ee3fea338efae1a5b678d6bb5f0fcc931","https://git.kernel.org/stable/c/f49d0c3a8d56a7cda1628ae17341a4a42063563c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/90xxx/CVE-2026-90411.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-90411","state":"PUBLISHED","datePublished":"2026-09-17T16:09:38.077Z","dateUpdated":"2026-10-19T09:03:15.517Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-11T19:38:34.812Z"},"containers":{"cna":{"title":"nvme-fc: unmap cmd_iu DMA on rsp_iu mapping failure in init_request","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-fc: unmap cmd_iu DMA on rsp_iu mapping failure in init_request\n\n__nvme_fc_init_request() maps cmd_iu and then rsp_iu for DMA. If the\nrsp_iu mapping fails, the original code only recorded the error and fell\nthrough: it left the already-mapped cmd_iu unmapped and still marked the\nop as FCPOP_STATE_IDLE before returning. Since blk-mq does not call\n.exit_request() when .init_request() fails, the cmd_iu mapping is leaked\nfor every op whose rsp_iu mapping fails.\n\nJump to an error path on rsp_iu mapping failure that unmaps cmd_iu and\nreturns the error without marking the op idle, so it stays in the\nFCPOP_STATE_UNINIT state set by the initial memset()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"c0892cfb60a75e2c86ba8e2127b133f6549c12b3","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"5e820d04c241c81a47e1940349018690e93d8167","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"bb0251991420c25e3ceeac40ea09250d79ed7ef0","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"acc173608ca7abe5dee8983086b44efd8b0dbc84","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"18c5781ed8bc2f423c26ec93e47e2057cd76a783","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"bd764baf82bb46e958a0bd0b481630dd71313055","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"be5eb47ee3fea338efae1a5b678d6bb5f0fcc931","versionType":"git"},{"version":"e399441de9115cd472b8ace6c517708273ca7997","status":"affected","lessThan":"f49d0c3a8d56a7cda1628ae17341a4a42063563c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/host/fc.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.10","versionType":"semver"},{"version":"5.10.270","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.221","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.188","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.157","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.110","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.52","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.6","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/nvme/host/fc.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c0892cfb60a75e2c86ba8e2127b133f6549c12b3"},{"url":"https://git.kernel.org/stable/c/5e820d04c241c81a47e1940349018690e93d8167"},{"url":"https://git.kernel.org/stable/c/bb0251991420c25e3ceeac40ea09250d79ed7ef0"},{"url":"https://git.kernel.org/stable/c/acc173608ca7abe5dee8983086b44efd8b0dbc84"},{"url":"https://git.kernel.org/stable/c/18c5781ed8bc2f423c26ec93e47e2057cd76a783"},{"url":"https://git.kernel.org/stable/c/bd764baf82bb46e958a0bd0b481630dd71313055"},{"url":"https://git.kernel.org/stable/c/be5eb47ee3fea338efae1a5b678d6bb5f0fcc931"},{"url":"https://git.kernel.org/stable/c/f49d0c3a8d56a7cda1628ae17341a4a42063563c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:03:15.517Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.10.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"5.15.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.1.188"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.6.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.12.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"6.18.52"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"7.2.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}