CVE-2026-74389

RDMA/hns: Fix log flood after cmd_mbox failure

N/A
Published: August 15, 2026 at 05:59 AM UTC
Updated: October 30, 2026 at 01:19 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.99a4435375cd151e07c0c38fa601b00115986091b
Vendor states this is fixed in 66f44ec974ab372e4e1ee9eac4245237c94e8f68 (fixed)
Vendor states this is fixed in 7d9fbee252f84de3e6947a40eec01481c9d8afbb (fixed)
Vendor states this is fixed in bbd97d71e53e551890e4115ad9de46b5f2ac0858 (fixed)
Vendor states this is fixed in f3c9e84268e9fa613d40d6c138fb6969c35879b5 (fixed)
Vendor states this is fixed in 4.9 (unaffected)
Vendor states this is fixed in 6.12.97 (unaffected)
Vendor states this is fixed in 6.18.40 (unaffected)
Vendor states this is fixed in 6.6.160 (unaffected)
Vendor states this is fixed in 7.1.5 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusRECEIVED

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