ZDI-26-570: Linux Kernel IGMP Subsystem Race Condition Local Privilege Escalation Vulnerability

Code

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Timeline

Detection, updates, and resolution for this record.

1. Aug 13, 2026 · Catalog

   Detected

   This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5.

Sources

• Zero Day InitiativeCoordinated disclosureZDI-26-570

  This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.5.

  zerodayinitiative.com