{"id":"CVE-2026-74389","summary":"RDMA/hns: Fix log flood after cmd_mbox failure","details":"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.","modified":"2026-08-18T03:31:16.906717073Z","published":"2026-08-15T05:59:03.786Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74389.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/66f44ec974ab372e4e1ee9eac4245237c94e8f68"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7d9fbee252f84de3e6947a40eec01481c9d8afbb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bbd97d71e53e551890e4115ad9de46b5f2ac0858"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f3c9e84268e9fa613d40d6c138fb6969c35879b5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74389.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74389"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"9a4435375cd151e07c0c38fa601b00115986091b"},{"fixed":"7d9fbee252f84de3e6947a40eec01481c9d8afbb"},{"fixed":"66f44ec974ab372e4e1ee9eac4245237c94e8f68"},{"fixed":"f3c9e84268e9fa613d40d6c138fb6969c35879b5"},{"fixed":"bbd97d71e53e551890e4115ad9de46b5f2ac0858"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74389.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.9.0"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74389.json"}}],"schema_version":"1.9.0"}