CVE-2026-46144
RDMA/mana Error Unwind Leading to Vport Steering Leak in Linux Kernel
Publication date: 2026-05-28
Last updated on: 2026-05-28
Assigner: kernel.org
Description
Description
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| linux | linux_kernel | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is related to the Linux kernel's RDMA (Remote Direct Memory Access) subsystem, specifically within the mana driver. It involves an error unwind issue in the function mana_ib_create_qp_rss(). Additionally, the function mana_ib_cfg_vport_steering() is leaked, meaning it is not properly cleaned up except through the normal destroy path.
How can this vulnerability impact me? :
This vulnerability relates to an error unwind issue in the Linux kernel's RDMA/mana component, specifically in the mana_ib_create_qp_rss() function. The problem involves a leaked resource in mana_ib_cfg_vport_steering(), which is normally cleaned up during the destroy path. Such a leak could potentially lead to resource mismanagement or instability in systems using this kernel component.