{"id":"CVE-2026-74389","state":"PUBLISHED","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.","publishedAt":"2026-08-15T05:59:03.786Z","updatedAt":"2026-10-30T12:29:54.266Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9a4435375cd151e07c0c38fa601b00115986091b","status":"affected","lessThan":"a194e535019e0b32831f16b0eafd83c54d57ccbb","versionType":"git"},{"version":"9a4435375cd151e07c0c38fa601b00115986091b","status":"affected","lessThan":"a6c5f5d98719e69228512390d5db3bf4b6468064","versionType":"git"},{"version":"9a4435375cd151e07c0c38fa601b00115986091b","status":"affected","lessThan":"7d9fbee252f84de3e6947a40eec01481c9d8afbb","versionType":"git"},{"version":"9a4435375cd151e07c0c38fa601b00115986091b","status":"affected","lessThan":"66f44ec974ab372e4e1ee9eac4245237c94e8f68","versionType":"git"},{"version":"9a4435375cd151e07c0c38fa601b00115986091b","status":"affected","lessThan":"f3c9e84268e9fa613d40d6c138fb6969c35879b5","versionType":"git"},{"version":"9a4435375cd151e07c0c38fa601b00115986091b","status":"affected","lessThan":"bbd97d71e53e551890e4115ad9de46b5f2ac0858","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","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"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.9","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","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"]}],"references":["https://git.kernel.org/stable/c/a194e535019e0b32831f16b0eafd83c54d57ccbb","https://git.kernel.org/stable/c/a6c5f5d98719e69228512390d5db3bf4b6468064","https://git.kernel.org/stable/c/7d9fbee252f84de3e6947a40eec01481c9d8afbb","https://git.kernel.org/stable/c/66f44ec974ab372e4e1ee9eac4245237c94e8f68","https://git.kernel.org/stable/c/f3c9e84268e9fa613d40d6c138fb6969c35879b5","https://git.kernel.org/stable/c/bbd97d71e53e551890e4115ad9de46b5f2ac0858"],"weaknesses":[],"ingestedAt":"2026-10-30T12:48:04.825Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/74xxx/CVE-2026-74389.json","commit":"1f312381e38164a43607eebab851b151dd16861e","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74389","state":"PUBLISHED","datePublished":"2026-08-15T05:59:03.786Z","dateUpdated":"2026-10-30T12:29:54.266Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-15T05:44:03.891Z"},"containers":{"cna":{"title":"RDMA/hns: Fix log flood after cmd_mbox failure","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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"9a4435375cd151e07c0c38fa601b00115986091b","status":"affected","lessThan":"a194e535019e0b32831f16b0eafd83c54d57ccbb","versionType":"git"},{"version":"9a4435375cd151e07c0c38fa601b00115986091b","status":"affected","lessThan":"a6c5f5d98719e69228512390d5db3bf4b6468064","versionType":"git"},{"version":"9a4435375cd151e07c0c38fa601b00115986091b","status":"affected","lessThan":"7d9fbee252f84de3e6947a40eec01481c9d8afbb","versionType":"git"},{"version":"9a4435375cd151e07c0c38fa601b00115986091b","status":"affected","lessThan":"66f44ec974ab372e4e1ee9eac4245237c94e8f68","versionType":"git"},{"version":"9a4435375cd151e07c0c38fa601b00115986091b","status":"affected","lessThan":"f3c9e84268e9fa613d40d6c138fb6969c35879b5","versionType":"git"},{"version":"9a4435375cd151e07c0c38fa601b00115986091b","status":"affected","lessThan":"bbd97d71e53e551890e4115ad9de46b5f2ac0858","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","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"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.9","versionType":"semver"},{"version":"6.1.191","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","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"]}],"references":[{"url":"https://git.kernel.org/stable/c/a194e535019e0b32831f16b0eafd83c54d57ccbb"},{"url":"https://git.kernel.org/stable/c/a6c5f5d98719e69228512390d5db3bf4b6468064"},{"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-30T12:29:54.266Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.1.191"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}