What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-21 · updated 2026-08-04
• Weakness: CWE-362

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.

Affected products

• Linux kernel: before 6.1.113; from 6.2 before 6.6.54; from 6.7 before 6.10.13; from 6.11 before 6.11.2 — fixed in 6.1.113, 6.10.13, 6.11.2, 6.6.54

How to fix

Upgrade to a fixed version: Linux kernel 6.1.113, 6.10.13, 6.11.2, 6.6.54. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/10569b682ebe9c75ef06ddd322ae844e9be6374b
• https://git.kernel.org/stable/c/26b07bd2e1f124b0e430c8d250023f7205c549c3
• https://git.kernel.org/stable/c/7cb51731f24b216b0b87942f519f2c67a17107ee
• https://git.kernel.org/stable/c/bfe5c02654261bfb8bd9cb174a67f3279ea99e58
• https://git.kernel.org/stable/c/d6f08c88047accc6127dddb6798a3ff11321539d
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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