In the Linux kernel, the following vulnerability has been resolved: ipvs: reload ip header after head reallocation __ip_vs_get_out_rt() calls… (CVE-2026-68476)
A vulnerability in the Linux kernel's IP Virtual Server (ipvs) subsystem was resolved. The issue involved the __ip_vs_get_out_rt() function calling skb_ensure_writable(), which may reallocate the skb->head without properly reloading the IP header after this reallocation. This could potentially lead to inconsistent or incorrect IP header handling.
AI Analysis
Technical Summary
The Linux kernel ipvs subsystem had a vulnerability where the function __ip_vs_get_out_rt() called skb_ensure_writable(), which can cause reallocation of skb->head. The vulnerability was that the IP header was not reloaded after this reallocation, potentially leading to improper packet processing. This issue has been resolved in the Linux kernel.
Potential Impact
Improper handling of the IP header after skb->head reallocation could lead to incorrect packet processing within the ipvs subsystem. The exact impact is not detailed in the provided data, and no known exploits in the wild have been reported.
Mitigation Recommendations
A fix for this vulnerability has been implemented in the Linux kernel. Users should apply the official kernel updates that include this resolution. Patch status is not explicitly confirmed in the provided data; therefore, check the vendor advisory or Linux kernel release notes for the specific patch and remediation guidance.
In the Linux kernel, the following vulnerability has been resolved: ipvs: reload ip header after head reallocation __ip_vs_get_out_rt() calls… (CVE-2026-68476)
Description
A vulnerability in the Linux kernel's IP Virtual Server (ipvs) subsystem was resolved. The issue involved the __ip_vs_get_out_rt() function calling skb_ensure_writable(), which may reallocate the skb->head without properly reloading the IP header after this reallocation. This could potentially lead to inconsistent or incorrect IP header handling.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Linux kernel ipvs subsystem had a vulnerability where the function __ip_vs_get_out_rt() called skb_ensure_writable(), which can cause reallocation of skb->head. The vulnerability was that the IP header was not reloaded after this reallocation, potentially leading to improper packet processing. This issue has been resolved in the Linux kernel.
Potential Impact
Improper handling of the IP header after skb->head reallocation could lead to incorrect packet processing within the ipvs subsystem. The exact impact is not detailed in the provided data, and no known exploits in the wild have been reported.
Mitigation Recommendations
A fix for this vulnerability has been implemented in the Linux kernel. Users should apply the official kernel updates that include this resolution. Patch status is not explicitly confirmed in the provided data; therefore, check the vendor advisory or Linux kernel release notes for the specific patch and remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-3fqj-wv67-hq22
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-68476"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a808b79bf8831d539502aef
Added to database: 08/15/2026, 15:53:29 UTC
Last enriched: 08/15/2026, 17:11:54 UTC
Last updated: 08/15/2026, 17:41:08 UTC
Views: 3
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.