openvswitch: cap upcall PID array size and pre-size vport replies
CVE-2026-45840 is a vulnerability related to openvswitch involving cap upcall PID array size and pre-sizing vport replies. The provided information is limited and does not include technical details, exploitation methods, or impact specifics. There is no CVSS score or patch information available. No known exploits in the wild have been reported. The affected products include Microsoft and Azure Linux 3. 0 versions. Due to the lack of detailed data, the severity is assessed as medium based on the potential impact implied by the vulnerability context.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-45840, concerns openvswitch components in Microsoft and Azure Linux 3.0 environments, specifically related to cap upcall PID array size and pre-sizing of vport replies. The description and technical details are minimal, with no CVSS score or patch information provided. No known exploitation has been reported to date.
Potential Impact
The impact details are not explicitly provided. Without further information, it is unclear what the exact consequences of this vulnerability are. No known exploits have been observed, suggesting limited or no active exploitation at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is available from the provided data.
openvswitch: cap upcall PID array size and pre-size vport replies
Description
CVE-2026-45840 is a vulnerability related to openvswitch involving cap upcall PID array size and pre-sizing vport replies. The provided information is limited and does not include technical details, exploitation methods, or impact specifics. There is no CVSS score or patch information available. No known exploits in the wild have been reported. The affected products include Microsoft and Azure Linux 3. 0 versions. Due to the lack of detailed data, the severity is assessed as medium based on the potential impact implied by the vulnerability context.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-45840, concerns openvswitch components in Microsoft and Azure Linux 3.0 environments, specifically related to cap upcall PID array size and pre-sizing of vport replies. The description and technical details are minimal, with no CVSS score or patch information provided. No known exploitation has been reported to date.
Potential Impact
The impact details are not explicitly provided. Without further information, it is unclear what the exact consequences of this vulnerability are. No known exploits have been observed, suggesting limited or no active exploitation at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is available from the provided data.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-45840
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a18ab92e29bf47b5028968b
Added to database: 5/28/2026, 8:54:42 PM
Last enriched: 5/28/2026, 9:13:21 PM
Last updated: 5/29/2026, 4:55:59 AM
Views: 2
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