CVE-2026-74389
RDMA/hns: Fix log flood after cmd_mbox failure
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix log flood after cmd_mbox failure hns_roce_cmd_mbox() is the command interface between driver and hardware. When hardware is abnormal, the unlimited error printings after hns_roce_cmd_mbox() failure will cause log flood and even system crash. Replace ibdev_err() and ibdev_warn() with their ratelimited versions in the error handling path after hns_roce_cmd_mbox() (and its wrappers hns_roce_create_hw_ctx/hns_roce_destroy_hw_ctx) fails.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Aug 15, 2026 |
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Affected Versions
Linux / Linux
9a4435375cd151e07c0c38fa601b00115986091b < 7d9fbee252f84de3e6947a40eec01481c9d8afbb 9a4435375cd151e07c0c38fa601b00115986091b < 66f44ec974ab372e4e1ee9eac4245237c94e8f68 9a4435375cd151e07c0c38fa601b00115986091b < f3c9e84268e9fa613d40d6c138fb6969c35879b5 9a4435375cd151e07c0c38fa601b00115986091b < bbd97d71e53e551890e4115ad9de46b5f2ac0858
Linux / Linux
4.9
References
git.kernel.org: https://git.kernel.org/stable/c/7d9fbee252f84de3e6947a40eec01481c9d8afbb git.kernel.org: https://git.kernel.org/stable/c/66f44ec974ab372e4e1ee9eac4245237c94e8f68 git.kernel.org: https://git.kernel.org/stable/c/f3c9e84268e9fa613d40d6c138fb6969c35879b5 git.kernel.org: https://git.kernel.org/stable/c/bbd97d71e53e551890e4115ad9de46b5f2ac0858