CVE-2026-97686: CWE-772 Missing release of resource after effective lifetime in Wind River VxWorks 7
Wind River VxWorks 7 prior to 26.09, specific system call arguments can result in the IPNET subsystem failing to properly release allocated kernel memory and system file descriptors before terminating the calling application. Fixed in Version 26.09.
AI Analysis
Technical Summary
This vulnerability (CWE-772) in Wind River VxWorks 7 affects versions prior to 26.09. Specific system call arguments cause the IPNET subsystem to not release allocated kernel memory and system file descriptors before terminating the calling application. This results in resource leaks that can degrade system availability. The issue is resolved in version 26.09.
Potential Impact
The vulnerability causes resource leaks (kernel memory and file descriptors) which can lead to denial of service conditions by exhausting system resources. There is no impact on confidentiality or integrity. The CVSS 3.1 base score is 5.5 (medium severity), reflecting local attack vector, low complexity, low privileges required, no user interaction, and impact limited to availability.
Mitigation Recommendations
Upgrade to Wind River VxWorks 7 version 26.09 or later, where this issue is fixed. No other mitigations are specified. Patch status is confirmed by the vendor advisory stating the fix is in version 26.09.
CVE-2026-97686: CWE-772 Missing release of resource after effective lifetime in Wind River VxWorks 7
Description
Wind River VxWorks 7 prior to 26.09, specific system call arguments can result in the IPNET subsystem failing to properly release allocated kernel memory and system file descriptors before terminating the calling application. Fixed in Version 26.09.
CVSS v3.1
Score 5.5medium
Affected software
Wind River
VxWorks 7
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-772) in Wind River VxWorks 7 affects versions prior to 26.09. Specific system call arguments cause the IPNET subsystem to not release allocated kernel memory and system file descriptors before terminating the calling application. This results in resource leaks that can degrade system availability. The issue is resolved in version 26.09.
Potential Impact
The vulnerability causes resource leaks (kernel memory and file descriptors) which can lead to denial of service conditions by exhausting system resources. There is no impact on confidentiality or integrity. The CVSS 3.1 base score is 5.5 (medium severity), reflecting local attack vector, low complexity, low privileges required, no user interaction, and impact limited to availability.
Mitigation Recommendations
Upgrade to Wind River VxWorks 7 version 26.09 or later, where this issue is fixed. No other mitigations are specified. Patch status is confirmed by the vendor advisory stating the fix is in version 26.09.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WindRiver
- Date Reserved
- 2026-09-24T21:12:17.354Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abab9fff7a7c54106139f0e
Added to database: 09/28/2026, 19:03:27 UTC
Last enriched: 09/28/2026, 19:18:10 UTC
Last updated: 09/29/2026, 02:55:29 UTC
Views: 11
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