# CVE-2025-71230: hfs: ensure sb->s_fs_info is always cleaned up

CVE-2025-71230 is fixed in linux on 1 platform by DEBIAN-CVE-2025-71230 (version 6.18.12-1), released February 18, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-71230
- Priority: Routine
- CVSS: 5.5 (Moderate)
- EPSS: 0.0014
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 18, 2026
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-71230

## Description

In the Linux kernel, the following vulnerability has been resolved:  hfs: ensure sb->s_fs_info is always cleaned up  When hfs 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 hfs_fill_super() takes ownership of the filesystem-specific s_fs_info data it was leaked.  Fix this by freeing sb->s_fs_info in hfs_kill_super().

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 14 | 6.18.12-1 | [DEBIAN-CVE-2025-71230](https://patchblox.com/security/data/fix/linux/debian-cve-2025-71230.md) | Feb 18, 2026 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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