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CVE-2025-71271

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: hfsplus: ensure sb->s_fs_info is always cleaned up When hfsplus was converted to the new mount api a bug was introduced by chan…

Published May 6, 2026EPSS 0.13%

Overview

CVE-2025-71271 is a medium-severity vulnerability. It was published on May 6, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

hfsplus: ensure sb->s_fs_info is always cleaned up

When hfsplus was converted to the new mount api a bug was introduced by

changing the allocation pattern of sb->s_fs_info. If setup_bdev_super()

fails after a new superblock has been allocated by sget_fc(), but before

hfsplus_fill_super() takes ownership of the filesystem-specific s_fs_info

data it was leaked.

Fix this by freeing sb->s_fs_info in hfsplus_kill_super().

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/0bcfebb83b5460d5be4e5c9dfb19cdaf3d4cb1dbRefgit.kernel.org/stable/c/126fb0ce99431126b44a6c360192668c818f641fRefgit.kernel.org/stable/c/1e38d32bb04d85a2c81204a85a34878a497128c8

How CyberStrike helps

Frequently asked questions

What is CVE-2025-71271?

CVE-2025-71271 is a medium-severity vulnerability. It was published on May 6, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2025-71271?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-71271?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-71271?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-71271 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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