# CVE-2026-93285: f2fs: embed f2fs_gc_kthread in f2fs_sb_info

CVE-2026-93285 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-93285, released September 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-93285
- Priority: Routine
- CVSS: 5.2 (Moderate)
- EPSS: 0.0018
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 24, 2026
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-93285

## Description

In the Linux kernel, the following vulnerability has been resolved:  f2fs: embed f2fs_gc_kthread in f2fs_sb_info  Instead of allocating f2fs_gc_kthread dynamically, embed it in f2fs_sb_info. This simplifies lifetime management and prepares for fixing race conditions during teardown.  - __sbi_store			- remount|shutdown 				 - f2fs_stop_gc_thread  - access sbi->gc_thread 				  - sbi->gc_thread = NULL  - access sbi->gc_thread->f2fs_gc_task

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 13.5 (trixie) | 6.12.113-1 | [DEBIAN-CVE-2026-93285](https://patchblox.com/security/data/fix/linux/debian-cve-2026-93285.md) | Sep 24, 2026 |
| Linux | linux Debian 14 | 7.2.6-1 | [DEBIAN-CVE-2026-93285](https://patchblox.com/security/data/fix/linux/debian-cve-2026-93285.md) | Sep 24, 2026 |
| Linux | linux-6.12 Debian 12.15 (bookworm) | 6.12.113-1~deb12u1 | [DEBIAN-CVE-2026-93285](https://patchblox.com/security/data/fix/linux/debian-cve-2026-93285.md) | Sep 24, 2026 |

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Data as of 2026-11-08T06:59:42Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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