tun: free page on short-frame rejection in tun_xdp_one()
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI Analysis
Technical Summary
This vulnerability concerns the 'tun' device driver in the Linux kernel, where a free page operation occurs during short-frame rejection in the tun_xdp_one() function. The exact nature of the flaw, its exploitation method, and impact are not detailed in the provided information. The vulnerability is tracked as CVE-2026-46321 by Microsoft Security Response Center. No patch or remediation details are available, and no exploits are known to exist currently.
Potential Impact
The impact specifics are not described in the available data. Without detailed technical or exploit information, the potential consequences of this vulnerability remain unclear. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or workaround information is provided, users should monitor official Microsoft Security Response Center communications for updates.
tun: free page on short-frame rejection in tun_xdp_one()
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 concerns the 'tun' device driver in the Linux kernel, where a free page operation occurs during short-frame rejection in the tun_xdp_one() function. The exact nature of the flaw, its exploitation method, and impact are not detailed in the provided information. The vulnerability is tracked as CVE-2026-46321 by Microsoft Security Response Center. No patch or remediation details are available, and no exploits are known to exist currently.
Potential Impact
The impact specifics are not described in the available data. Without detailed technical or exploit information, the potential consequences of this vulnerability remain unclear. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or workaround information is provided, users should monitor official Microsoft Security Response Center communications for updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-46321
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a294d9c8dd33fbd853b00e2
Added to database: 6/10/2026, 11:42:20 AM
Last enriched: 6/10/2026, 12:04:30 PM
Last updated: 6/10/2026, 2:58:01 PM
Views: 7
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.