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crypto: af_alg - limit RX SG extraction by receive buffer budget

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-2026-31677 is a vulnerability related to the crypto subsystem, specifically the af_alg component, involving the limitation of RX scatter-gather (SG) extraction by the receive buffer budget. The vulnerability affects Microsoft product version 3.0. No detailed technical or impact information is provided beyond this. There is no CVSS score or known exploits in the wild at this time.

Affected software

Affected versions
=3.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/29/2026, 22:57:52 UTC

Technical Analysis

This vulnerability concerns the af_alg crypto interface in Microsoft software version 3.0, where the RX SG extraction process is limited by the receive buffer budget. The exact nature of the vulnerability, including exploitation methods or impact, is not detailed in the available data. No patch or remediation information is provided.

Potential Impact

The impact of this vulnerability is not explicitly described in the provided information. There are no known exploits in the wild, and no CVSS score is available to assess severity. Without further details, the potential impact remains unclear.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is provided at this time.

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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-2026-31677
Cve Count
1
Additional Cves
[]
Cvss Version
null

Threat ID: 6a42ed9127e9c7971996580f

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

Last enriched: 06/29/2026, 22:57:52 UTC

Last updated: 06/29/2026, 23:21:46 UTC

Views: 4

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