CVE-2026-46144
Analyzed Analyzed - Analysis Complete
RDMA/mana Error Unwind Leading to Vport Steering Leak in Linux Kernel

Publication date: 2026-05-28

Last updated on: 2026-06-10

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/mana: Fix error unwind in mana_ib_create_qp_rss() Sashiko points out that mana_ib_cfg_vport_steering() is leaked, the normal destroy path cleans it up.
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Meta Information
Published
2026-05-28
Last Modified
2026-06-10
Generated
2026-06-17
AI Q&A
2026-05-28
EPSS Evaluated
2026-06-16
NVD
CVE-2026-46144
EUVD
EUVD-2026-32771
Affected Vendors & Products
Showing 6 associated CPEs
Vendor Product Version / Range
linux linux_kernel 7.1
linux linux_kernel 7.1
linux linux_kernel From 6.13 (inc) to 6.18.30 (exc)
linux linux_kernel From 6.2 (inc) to 6.6.141 (exc)
linux linux_kernel From 6.19 (inc) to 7.0.7 (exc)
linux linux_kernel From 6.7 (inc) to 6.12.88 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Impact Analysis

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.

Executive Summary

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.

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