What’s Vulnerable › Vulnerabilities

CVE-2024-47726: f2fs: fix to wait dio completion

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-21 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to wait dio completion It should wait all existing dio write IOs before block removal, otherwise, previous direct write IO may overwrite data in the block which may be reused by other inode.

Affected products

• Linux kernel: before 6.11.2 — fixed in 6.11.2

How to fix

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

References

• https://git.kernel.org/stable/c/3aa5254d80969cb576601fb9fec7a188cc8dc169
• https://git.kernel.org/stable/c/7be13b73409b553d9d9a6cbb042b4d19e2631cc7
• https://git.kernel.org/stable/c/96cfeb0389530ae32ade8a48ae3ae1ac3b6c009d
• https://git.kernel.org/stable/c/c2a7fc514637f640ff55c3f3e3ed879970814a3f
• https://git.kernel.org/stable/c/e3db757ff9b7101ae68650ac5f6dd5743b68164e
• https://git.kernel.org/stable/c/f81302decd64245bb1bd154ecae0f65a9ee21f04
• https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
• https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html

Get alerted when CVE-2024-47726 or the next vulnerability affects your stack