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EPSS 0.4%top 64%

net/mlx5e: Fix "scheduling while atomic" in IPsec MAC address query

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

Description

CVE-2026-43199 is a vulnerability related to the net/mlx5e driver component in Microsoft software, specifically addressing a "scheduling while atomic" issue in the IPsec MAC address query functionality. The affected version explicitly identified is version 3.0. No CVSS score is provided for this vulnerability. There are no known exploits in the wild at this time. No patch or remediation details are available from the provided data.

Affected software

Affected versions
=3.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/29/2026, 22:52:03 UTC

Technical Analysis

This vulnerability concerns a scheduling issue while in an atomic context within the IPsec MAC address query handling in the net/mlx5e driver of Microsoft software. The problem is identified in version 3.0 of the product. The description and details are limited, with no CVSS score or exploit information available. The vendor advisory does not provide patch or mitigation information.

Potential Impact

The impact specifics are not detailed in the available information. The issue involves improper scheduling in an atomic context, which could potentially lead to system instability or unexpected behavior in IPsec MAC address queries. No known exploits have been reported, so the practical impact remains unclear.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or workaround information is provided, monitoring the official Microsoft Security Response Center advisory for updates is recommended.

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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-2026-43199
Cve Count
1
Additional Cves
[]
Cvss Version
null

Threat ID: 6a42ed8a27e9c797199609fa

Added to database: 06/29/2026, 22:11:22 UTC

Last enriched: 06/29/2026, 22:52:03 UTC

Last updated: 07/31/2026, 19:24:50 UTC

Views: 9

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