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RDMA/mlx5: Fix UMR hang in LAG error state unload

0
Medium
Published: Sat May 02 2026 (05/02/2026, 00:00:00 UTC)
Source: GCVE Database
Vendor/Project: Microsoft Security Response Center
Product: Microsoft

Description

CVE-2026-45973 addresses a vulnerability related to RDMA/mlx5 where a UMR hang occurs during a LAG error state unload. The information provided is limited and does not include technical details or exploitation methods. There is no CVSS score or known exploits in the wild. The affected products include Microsoft and Azure Linux versions 3. 0. No patch or remediation details are provided in the available data.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/28/2026, 21:15:44 UTC

Technical Analysis

This vulnerability involves a hang condition in the RDMA/mlx5 component triggered by unloading in a LAG error state, potentially causing system instability or denial of service. The affected software includes Microsoft and Azure Linux 3.0. No further technical details, such as attack vectors or impact specifics, are available from the provided information.

Potential Impact

Based on the description, the impact likely involves a system hang or denial of service in affected environments using RDMA/mlx5 during specific error state unloads. There is no information on exploitation in the wild or broader impacts such as data compromise.

Mitigation Recommendations

Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is provided in the current data.

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Technical Details

Gcve Source
db.gcve.eu
Csaf Category
csaf_vex
Csaf Version
2.0
Publisher
Microsoft Security Response Center
Advisory Id
msrc_CVE-2026-45973
Cve Count
1
Additional Cves
[]
Cvss Version
null

Threat ID: 6a18ab98e29bf47b502897a2

Added to database: 5/28/2026, 8:54:48 PM

Last enriched: 5/28/2026, 9:15:44 PM

Last updated: 5/29/2026, 9:47:48 AM

Views: 6

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