# CVE-2024-49859: f2fs: fix to check atomic_file in f2fs ioctl interfaces

CVE-2024-49859 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-49859, released October 21, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-49859
- Priority: Routine
- CVSS: 4.7 (Moderate)
- EPSS: 0.0017
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 21, 2024
- Weakness: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49859

## Description

In the Linux kernel, the following vulnerability has been resolved:  f2fs: fix to check atomic_file in f2fs ioctl interfaces  Some f2fs ioctl interfaces like f2fs_ioc_set_pin_file(), f2fs_move_file_range(), and f2fs_defragment_range() missed to check atomic_write status, which may cause potential race issue, fix it.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.115-1 | [DEBIAN-CVE-2024-49859](https://patchblox.com/security/data/fix/linux/debian-cve-2024-49859.md) | Oct 21, 2024 |
| Linux | linux Debian 13.5 (trixie) | 6.11.2-1 | [DEBIAN-CVE-2024-49859](https://patchblox.com/security/data/fix/linux/debian-cve-2024-49859.md) | Oct 21, 2024 |
| Linux | linux Debian 14 | 6.11.2-1 | [DEBIAN-CVE-2024-49859](https://patchblox.com/security/data/fix/linux/debian-cve-2024-49859.md) | Oct 21, 2024 |

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Data as of 2026-11-08T19:12:23Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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