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xfrm: prevent policy_hthresh.work from racing with netns teardown

0
Medium
Published: 04/02/2026 (04/02/2026, 00:00:00 UTC)
Source: GCVE Database
Vendor/Project: Microsoft Security Response Center
Product: Microsoft

Description

CVE-2026-31516 is a vulnerability related to the xfrm subsystem where a race condition occurs between policy_hthresh.work and network namespace teardown. The issue affects specific Microsoft product versions 2.0 and 3.0. No CVSS score or detailed technical impact is provided.

Affected software

Affected versions
=3.0=2.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/17/2026, 21:51:53 UTC

Technical Analysis

This vulnerability involves a race condition in the xfrm component, specifically between policy_hthresh.work and the teardown of network namespaces. The race condition could potentially lead to unstable behavior or security issues in the affected Microsoft product versions 2.0 and 3.0. No further technical details or exploitation information is available.

Potential Impact

The impact details are not explicitly provided. Without further information, the potential impact could range from denial of service or instability to other security concerns related to race conditions in network namespace handling. No known exploits are reported in the wild.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official patch or workaround information is provided in the available 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-2026-31516
Cve Count
1

Threat ID: 6a42ed8c27e9c79719960bb9

Added to database: 06/29/2026, 22:11:24 UTC

Last enriched: 09/17/2026, 21:51:53 UTC

Last updated: 09/27/2026, 01:47:41 UTC

Views: 144

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