{"api_version":"1","generated_at":"2026-08-15T08:45:14+00:00","cve":"CVE-2026-74389","urls":{"html":"https://cve.report/CVE-2026-74389","api":"https://cve.report/api/cve/CVE-2026-74389.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74389","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74389"},"summary":{"title":"RDMA/hns: Fix log flood after cmd_mbox failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix log flood after cmd_mbox failure\n\nhns_roce_cmd_mbox() is the command interface between driver and\nhardware. When hardware is abnormal, the unlimited error printings\nafter hns_roce_cmd_mbox() failure will cause log flood and even\nsystem crash.\n\nReplace ibdev_err() and ibdev_warn() with their ratelimited versions\nin the error handling path after hns_roce_cmd_mbox() (and its wrappers\nhns_roce_create_hw_ctx/hns_roce_destroy_hw_ctx) fails.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:40","updated_at":"2026-08-15 06:22:40"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/7d9fbee252f84de3e6947a40eec01481c9d8afbb","name":"https://git.kernel.org/stable/c/7d9fbee252f84de3e6947a40eec01481c9d8afbb","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f3c9e84268e9fa613d40d6c138fb6969c35879b5","name":"https://git.kernel.org/stable/c/f3c9e84268e9fa613d40d6c138fb6969c35879b5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bbd97d71e53e551890e4115ad9de46b5f2ac0858","name":"https://git.kernel.org/stable/c/bbd97d71e53e551890e4115ad9de46b5f2ac0858","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/66f44ec974ab372e4e1ee9eac4245237c94e8f68","name":"https://git.kernel.org/stable/c/66f44ec974ab372e4e1ee9eac4245237c94e8f68","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74389","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74389","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9a4435375cd151e07c0c38fa601b00115986091b 7d9fbee252f84de3e6947a40eec01481c9d8afbb git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9a4435375cd151e07c0c38fa601b00115986091b 66f44ec974ab372e4e1ee9eac4245237c94e8f68 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9a4435375cd151e07c0c38fa601b00115986091b f3c9e84268e9fa613d40d6c138fb6969c35879b5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9a4435375cd151e07c0c38fa601b00115986091b bbd97d71e53e551890e4115ad9de46b5f2ac0858 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4.9","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 4.9 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/infiniband/hw/hns/hns_roce_cq.c","drivers/infiniband/hw/hns/hns_roce_hw_v2.c","drivers/infiniband/hw/hns/hns_roce_mr.c","drivers/infiniband/hw/hns/hns_roce_srq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7d9fbee252f84de3e6947a40eec01481c9d8afbb","status":"affected","version":"9a4435375cd151e07c0c38fa601b00115986091b","versionType":"git"},{"lessThan":"66f44ec974ab372e4e1ee9eac4245237c94e8f68","status":"affected","version":"9a4435375cd151e07c0c38fa601b00115986091b","versionType":"git"},{"lessThan":"f3c9e84268e9fa613d40d6c138fb6969c35879b5","status":"affected","version":"9a4435375cd151e07c0c38fa601b00115986091b","versionType":"git"},{"lessThan":"bbd97d71e53e551890e4115ad9de46b5f2ac0858","status":"affected","version":"9a4435375cd151e07c0c38fa601b00115986091b","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/infiniband/hw/hns/hns_roce_cq.c","drivers/infiniband/hw/hns/hns_roce_hw_v2.c","drivers/infiniband/hw/hns/hns_roce_mr.c","drivers/infiniband/hw/hns/hns_roce_srq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.9"},{"lessThan":"4.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"4.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"4.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"4.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"4.9","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix log flood after cmd_mbox failure\n\nhns_roce_cmd_mbox() is the command interface between driver and\nhardware. When hardware is abnormal, the unlimited error printings\nafter hns_roce_cmd_mbox() failure will cause log flood and even\nsystem crash.\n\nReplace ibdev_err() and ibdev_warn() with their ratelimited versions\nin the error handling path after hns_roce_cmd_mbox() (and its wrappers\nhns_roce_create_hw_ctx/hns_roce_destroy_hw_ctx) fails."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:59:03.786Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/7d9fbee252f84de3e6947a40eec01481c9d8afbb"},{"url":"https://git.kernel.org/stable/c/66f44ec974ab372e4e1ee9eac4245237c94e8f68"},{"url":"https://git.kernel.org/stable/c/f3c9e84268e9fa613d40d6c138fb6969c35879b5"},{"url":"https://git.kernel.org/stable/c/bbd97d71e53e551890e4115ad9de46b5f2ac0858"}],"title":"RDMA/hns: Fix log flood after cmd_mbox failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74389","datePublished":"2026-08-15T05:59:03.786Z","dateReserved":"2026-08-15T05:44:03.891Z","dateUpdated":"2026-08-15T05:59:03.786Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:40","lastModifiedDate":"2026-08-15 06:22:40","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74389","Ordinal":"1","Title":"RDMA/hns: Fix log flood after cmd_mbox failure","CVE":"CVE-2026-74389","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74389","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/hns: Fix log flood after cmd_mbox failure\n\nhns_roce_cmd_mbox() is the command interface between driver and\nhardware. When hardware is abnormal, the unlimited error printings\nafter hns_roce_cmd_mbox() failure will cause log flood and even\nsystem crash.\n\nReplace ibdev_err() and ibdev_warn() with their ratelimited versions\nin the error handling path after hns_roce_cmd_mbox() (and its wrappers\nhns_roce_create_hw_ctx/hns_roce_destroy_hw_ctx) fails.","Type":"Description","Title":"RDMA/hns: Fix log flood after cmd_mbox failure"}]}}}