bpf: reject negative CO-RE accessor indices in bpf_core_parse_spec()
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI Analysis
Technical Summary
This vulnerability involves the BPF subsystem's handling of CO-RE accessor indices in the bpf_core_parse_spec() function, specifically rejecting negative indices. The issue is identified in Microsoft and Azure Linux 3.0 products. No further technical details, such as exploitation methods or impact scope, are provided in the source data.
Potential Impact
The impact of this vulnerability is not explicitly described in the available information. There are no known exploits in the wild, and no CVSS score or detailed impact assessment is provided. Without additional data, the precise consequences of exploitation cannot be determined.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is provided in the available data.
bpf: reject negative CO-RE accessor indices in bpf_core_parse_spec()
Description
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves the BPF subsystem's handling of CO-RE accessor indices in the bpf_core_parse_spec() function, specifically rejecting negative indices. The issue is identified in Microsoft and Azure Linux 3.0 products. No further technical details, such as exploitation methods or impact scope, are provided in the source data.
Potential Impact
The impact of this vulnerability is not explicitly described in the available information. There are no known exploits in the wild, and no CVSS score or detailed impact assessment is provided. Without additional data, the precise consequences of exploitation cannot be determined.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is provided in the available 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-2026-45839
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a18ab8ee29bf47b502895e5
Added to database: 05/28/2026, 20:54:38 UTC
Last enriched: 05/28/2026, 21:11:00 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 60
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