CVE-2026-74389
Unknown
Description
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.
SeverityUnknown
CVSS—
Exploit probability—
Product
Linux
PublishedAug 15, 2026
First seenAug 15, 2026
How to fix
Update
- Linux Linuxa194e535019e0b32831f16b0eafd83c54d57ccbb, a6c5f5d98719e69228512390d5db3bf4b6468064, 7d9fbee252f84de3e6947a40eec01481c9d8afbb, 66f44ec974ab372e4e1ee9eac4245237c94e8f68, f3c9e84268e9fa613d40d6c138fb6969c35879b5, bbd97d71e53e551890e4115ad9de46b5f2ac0858 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 9a4435375cd151e07c0c38fa601b00115986091b ≤ v < a194e535019e0b32831f16b0eafd83c54d57ccbb, 9a4435375cd151e07c0c38fa601b00115986091b ≤ v < a6c5f5d98719e69228512390d5db3bf4b6468064, 9a4435375cd151e07c0c38fa601b00115986091b ≤ v < 7d9fbee252f84de3e6947a40eec01481c9d8afbb, 9a4435375cd151e07c0c38fa601b00115986091b ≤ v < 66f44ec974ab372e4e1ee9eac4245237c94e8f68, 9a4435375cd151e07c0c38fa601b00115986091b ≤ v < f3c9e84268e9fa613d40d6c138fb6969c35879b5, 9a4435375cd151e07c0c38fa601b00115986091b ≤ v < bbd97d71e53e551890e4115ad9de46b5f2ac0858, 4.9 | a194e535019e0b32831f16b0eafd83c54d57ccbb, a6c5f5d98719e69228512390d5db3bf4b6468064, 7d9fbee252f84de3e6947a40eec01481c9d8afbb, 66f44ec974ab372e4e1ee9eac4245237c94e8f68, f3c9e84268e9fa613d40d6c138fb6969c35879b5, bbd97d71e53e551890e4115ad9de46b5f2ac0858 |
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