CVE-2026-53039
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.
Understanding the Weakness (CWE)
Access Control,Integrity
Technical Impact: Bypass Protection Mechanism; Execute Unauthorized Code or Commands
An attacker could include dangerous input that bypasses validation protection mechanisms which can be used to launch various attacks including injection attacks, execute arbitrary code or cause other unintended behavior.
Frequently Asked Questions
Not sure what something means? Check out our Security Glossary.
Want to get errata notifications? Sign up here.