CVE-2026-93109
Received Received - Intake

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Vulnerability report for CVE-2026-93109, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-17

Last updated on: 2026-09-17

Assigner: kernel.org

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Drain RCU callbacks during module teardown devx_free_subscription() can remain queued after the last DevX event file drops its module reference or an auxiliary driver detaches its devices. mlx5_ib can then unload before the callback runs. Registration error unwind has the same risk because driver registration can attach existing devices before failing. Wait after all drivers have stopped.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-09-17
Last Modified
2026-09-17
Generated
2026-10-10
EPSS Evaluated
2026-10-09
NVD

Affected Vendors & Products

Showing 8 associated CPEs
Vendor Product Version / Range
Linux Linux 6898d1c661d79f4707d8ba82991b2195822780ca
Linux Linux 6898d1c661d79f4707d8ba82991b2195822780ca
Linux Linux 6898d1c661d79f4707d8ba82991b2195822780ca
Linux Linux 6898d1c661d79f4707d8ba82991b2195822780ca
Linux Linux 6898d1c661d79f4707d8ba82991b2195822780ca
Linux Linux 6898d1c661d79f4707d8ba82991b2195822780ca
Linux Linux 6898d1c661d79f4707d8ba82991b2195822780ca
Linux Linux 5.6

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

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