CVE-2026-90396. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.
CISA KEVNot listedBased on the latest collected catalog
EPSS0.2%Estimated 30-day exploitation probability
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview
What is CVE-2026-90396?
In the Linux kernel, the following vulnerability has been resolved:
block: fix dio leak on metadata mapping error
A failed integrity mapping holds a dio reference, so we need to go through the full bio ending in case there were previously submitted bio's in the sequence.