Published Sep 24, 2026Sources checked Nov 12, 2026
7.1HIGHCVSS out of 10
What this means
Review the available evidence
CVE-2026-97520 and is rated High severity with a CVSS score of 7.1. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
What to do next
Remediation and response
Microsoft Security Response Center guidance
Vendor revision: Sep 28, 2026
Release Notes
CISA KEVNot listedBased on the latest collected catalog
EPSS0.1%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2026-97520?
In the Linux kernel, the following vulnerability has been resolved:
gfs2: move quota_init qc iterator increment
Move qc++ from the loop body into the for-loop increment expression in gfs2_quota_init().
This keeps iterator progression explicit and avoids mixing pointer advance with duplicate-slot handling in the loop body.