CVE-2026-53039

kernel: ocfs2: validate group add input before caching

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Severity

Unknown

Red Hat Product Security

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CVSS

Review impact separately from score.

Published · June 24, 2026

Updated · June 28, 2026

Description

A flaw was found in the OCFS2 (Oracle Cluster File System 2) component of the Linux kernel. A local user could exploit an input validation vulnerability in the OCFS2_IOC_GROUP_ADD ioctl. This flaw allows an attacker to trigger a kernel panic, resulting in a denial of service (DoS) for the affected system.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CWE-179 · Incorrect Behavior Order: Early Validation