{"api_version":"1","generated_at":"2026-06-24T08:54:39+00:00","cve":"CVE-2026-23376","urls":{"html":"https://cve.report/CVE-2026-23376","api":"https://cve.report/api/cve/CVE-2026-23376.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-23376","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-23376"},"summary":{"title":"nvmet-fcloop: Check remoteport port_state before calling done callback","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-fcloop: Check remoteport port_state before calling done callback\n\nIn nvme_fc_handle_ls_rqst_work, the lsrsp->done callback is only set when\nremoteport->port_state is FC_OBJSTATE_ONLINE.  Otherwise, the\nnvme_fc_xmt_ls_rsp's LLDD call to lport->ops->xmt_ls_rsp is expected to\nfail and the nvme-fc transport layer itself will directly call\nnvme_fc_xmt_ls_rsp_free instead of relying on LLDD's done callback to free\nthe lsrsp resources.\n\nUpdate the fcloop_t2h_xmt_ls_rsp routine to check remoteport->port_state.\nIf online, then lsrsp->done callback will free the lsrsp.  Else, return\n-ENODEV to signal the nvme-fc transport to handle freeing lsrsp.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-03-25 11:16:37","updated_at":"2026-04-24 16:21:52"},"problem_types":["NVD-CWE-noinfo"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/31d3817bcd9e192b30abe3cf4b68f69d48864dd2","name":"https://git.kernel.org/stable/c/31d3817bcd9e192b30abe3cf4b68f69d48864dd2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/dd677d0598387ea623820ab2bd0e029c377445a3","name":"https://git.kernel.org/stable/c/dd677d0598387ea623820ab2bd0e029c377445a3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f30b95159a53e72529a9ca1667f11cd1970240a7","name":"https://git.kernel.org/stable/c/f30b95159a53e72529a9ca1667f11cd1970240a7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-23376","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-23376","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 10c165af35d225eb033f4edc7fcc699a8d2d533d f30b95159a53e72529a9ca1667f11cd1970240a7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 10c165af35d225eb033f4edc7fcc699a8d2d533d 31d3817bcd9e192b30abe3cf4b68f69d48864dd2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 10c165af35d225eb033f4edc7fcc699a8d2d533d dd677d0598387ea623820ab2bd0e029c377445a3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 2cf857075bcc8e83c4aa5fe7d8f1efd6af51e04e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.18","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.17 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.7 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"23376","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/nvme/target/fcloop.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f30b95159a53e72529a9ca1667f11cd1970240a7","status":"affected","version":"10c165af35d225eb033f4edc7fcc699a8d2d533d","versionType":"git"},{"lessThan":"31d3817bcd9e192b30abe3cf4b68f69d48864dd2","status":"affected","version":"10c165af35d225eb033f4edc7fcc699a8d2d533d","versionType":"git"},{"lessThan":"dd677d0598387ea623820ab2bd0e029c377445a3","status":"affected","version":"10c165af35d225eb033f4edc7fcc699a8d2d533d","versionType":"git"},{"status":"affected","version":"2cf857075bcc8e83c4aa5fe7d8f1efd6af51e04e","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/nvme/target/fcloop.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.17","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.17","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.7","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"6.18","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-fcloop: Check remoteport port_state before calling done callback\n\nIn nvme_fc_handle_ls_rqst_work, the lsrsp->done callback is only set when\nremoteport->port_state is FC_OBJSTATE_ONLINE.  Otherwise, the\nnvme_fc_xmt_ls_rsp's LLDD call to lport->ops->xmt_ls_rsp is expected to\nfail and the nvme-fc transport layer itself will directly call\nnvme_fc_xmt_ls_rsp_free instead of relying on LLDD's done callback to free\nthe lsrsp resources.\n\nUpdate the fcloop_t2h_xmt_ls_rsp routine to check remoteport->port_state.\nIf online, then lsrsp->done callback will free the lsrsp.  Else, return\n-ENODEV to signal the nvme-fc transport to handle freeing lsrsp."}],"providerMetadata":{"dateUpdated":"2026-04-13T06:06:11.168Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/f30b95159a53e72529a9ca1667f11cd1970240a7"},{"url":"https://git.kernel.org/stable/c/31d3817bcd9e192b30abe3cf4b68f69d48864dd2"},{"url":"https://git.kernel.org/stable/c/dd677d0598387ea623820ab2bd0e029c377445a3"}],"title":"nvmet-fcloop: Check remoteport port_state before calling done callback","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-23376","datePublished":"2026-03-25T10:27:56.458Z","dateReserved":"2026-01-13T15:37:46.003Z","dateUpdated":"2026-04-13T06:06:11.168Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-25 11:16:37","lastModifiedDate":"2026-04-24 16:21:52","problem_types":["NVD-CWE-noinfo"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17.3","versionEndExcluding":"6.18","matchCriteriaId":"01823571-21C8-47A7-A81B-D79D8F3C5262"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18.1","versionEndExcluding":"6.18.17","matchCriteriaId":"07E9D8CD-82F0-4CC6-8038-BF71758D583C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.7","matchCriteriaId":"69245D10-0B71-485E-80C3-A64F077004D3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.18:-:*:*:*:*:*:*","matchCriteriaId":"DCE57113-2223-4308-A0F2-5E6ECFBB3C23"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*","matchCriteriaId":"F253B622-8837-4245-BCE5-A7BF8FC76A16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*","matchCriteriaId":"4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*","matchCriteriaId":"F666C8D8-6538-46D4-B318-87610DE64C34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc4:*:*:*:*:*:*","matchCriteriaId":"02259FDA-961B-47BC-AE7F-93D7EC6E90C2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc5:*:*:*:*:*:*","matchCriteriaId":"58A9FEFF-C040-420D-8F0A-BFDAAA1DF258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc6:*:*:*:*:*:*","matchCriteriaId":"1D2315C0-D46F-4F85-9754-F9E5E11374A6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:7.0:rc7:*:*:*:*:*:*","matchCriteriaId":"512EE3A8-A590-4501-9A94-5D4B268D6138"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"23376","Ordinal":"1","Title":"nvmet-fcloop: Check remoteport port_state before calling done ca","CVE":"CVE-2026-23376","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"23376","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvmet-fcloop: Check remoteport port_state before calling done callback\n\nIn nvme_fc_handle_ls_rqst_work, the lsrsp->done callback is only set when\nremoteport->port_state is FC_OBJSTATE_ONLINE.  Otherwise, the\nnvme_fc_xmt_ls_rsp's LLDD call to lport->ops->xmt_ls_rsp is expected to\nfail and the nvme-fc transport layer itself will directly call\nnvme_fc_xmt_ls_rsp_free instead of relying on LLDD's done callback to free\nthe lsrsp resources.\n\nUpdate the fcloop_t2h_xmt_ls_rsp routine to check remoteport->port_state.\nIf online, then lsrsp->done callback will free the lsrsp.  Else, return\n-ENODEV to signal the nvme-fc transport to handle freeing lsrsp.","Type":"Description","Title":"nvmet-fcloop: Check remoteport port_state before calling done ca"}]}}}