Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-4023

A flaw was found in the io-workqueue implementation in the Linux kernel versions prior to 5.15-rc1. The kernel can panic when an improper cancellation operation triggers the submission of new io-uring operations during a shortage of free space. This flaw allows a local user with permissions to execute io-uring requests to possibly crash the system.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 26.0%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 4.9
Products affected by CVE-2021-4023


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