Buffer Overflow in strlen Function in ocfs2

Kernel Updated 02 Oct 2025

Summary

28/10/2021

Disclosed on

N/A

Severity

No i

Fix available

Unrated

Severity

Not published

CVSS Score

GSD-2021-1001846: ocfs2: mount fails with buffer overflow in strlen. Affects Kernel versions < 93be0eeea14cf39235e585c8f56df3b3859deaad. No fix is published. How to fix ↓

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Background

ocfs2 is a file system implemented in the Linux kernel. It is designed to provide shared storage for cluster computing environments. The ocfs2 file system allows multiple nodes to access the same storage concurrently. It is commonly used in high-performance computing and storage systems.

Vulnerability Detail

The ocfs2 file system is vulnerable to a buffer overflow in the strlen function. When mounting an ocfs2 file system, a buffer overflow can occur if an excessively long string is passed as an argument to strlen. This vulnerability can be exploited by an attacker to execute arbitrary code or crash the system. The impact and attack plausibility of this vulnerability have not been proven.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

There is no known workaround for this vulnerability.

Conclusion

The ocfs2 file system is vulnerable to a buffer overflow in the strlen function. It is recommended to update the Linux Kernel to version v5.10.76 or later to fix this vulnerability. No known workaround is available. For further support on vulnerability remediation, please contact DevNack.com.

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