Linux Kernel Vulnerability in HFS Filesystem Management
CVE-2025-71230

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 18 February 2026

What is CVE-2025-71230?

A vulnerability in the Linux kernel's handling of the HFS filesystem has been identified, where the sb->s_fs_info data may not be properly cleaned up, leading to potential memory leaks. This issue stems from a change in the allocation pattern during the HFS conversion to the new mount API. If the setup_bdev_super() fails after a superblock allocation but before the filesystem-specific data can be properly managed by hfs_fill_super(), the data is left unaddressed. The vulnerability has been rectified by ensuring that the sb->s_fs_info is freed appropriately in the hfs_kill_super() function.

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