CVE-2024-56586: Linux kernel · f2fs: fix f2fs_bug_on when uninstalling filesystem call f2fs_evict_inode.
Source GCVE Database
Not known to be exploited · CVSS 5.5 Medium.
Data as of 30 Oct 2026, 00:49 UTC
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 27 Dec 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
AI-suggested
A fix for this vulnerability has been implemented in the Linux kernel. Users should update to a kernel version that includes this fix. Since this is a kernel-level issue, applying the official kernel patch or upgrading to a fixed kernel release is the recommended remediation. No additional mitigations are indicated.
Description
CVE-2024-56586 is a medium severity vulnerability in the Linux kernel's f2fs filesystem. It occurs when creating large files during a checkpoint-disabled period exhausts free segments, causing a failure when writing back the root inode during checkpoint re-enablement. This leads to a kernel BUG triggered by a dirty root inode during filesystem unmount, resulting in a kernel crash (BUG_ON).
References
- nvd.nist.gov/vuln/detail/CVE-2024-56586 (opens in a new tab)
- git.kernel.org/stable/c/9669b28f81e0ec6305af7773846fbe2cef1e7d61 (opens in a new tab)
- git.kernel.org/stable/c/9e28513fd2858911dcf47b84160a8824587536b6 (opens in a new tab)
- git.kernel.org/stable/c/a365de2fbfbe1e6740bfb75ab5c3245cf7bbe4d7 (opens in a new tab)
- git.kernel.org/stable/c/ac8aaf78bd039fa1be0acaa8e84a56499f79d721 (opens in a new tab)
- git.kernel.org/stable/c/d5c367ef8287fb4d235c46a2f8c8d68715f3a0ca (opens in a new tab)
- git.kernel.org/stable/c/dff561e4060d28edc9a2960d4a87f3c945a96aa3 (opens in a new tab)
- git.kernel.org/stable/c/ef517d2d21c3d8e2ad35b2bb728bd1c90a31e617 (opens in a new tab)
- lists.debian.org/debian-lts-announce/2025/03/msg00001.html (opens in a new tab)
- lists.debian.org/debian-lts-announce/2025/03/msg00002.html (opens in a new tab)