What’s Vulnerable › Vulnerabilities

CVE-2023-54187: f2fs: fix potential corruption when moving a directory

• Severity: high (CVSS 7.8 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: 2025-12-30 · updated 2026-08-04

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential corruption when moving a directory F2FS has the same issue in ext4_rename causing crash revealed by xfstests/generic/707. See also commit 0813299c586b ("ext4: Fix possible corruption when moving a directory")

Affected products

• Linux kernel: 3.19 — fixed in 6.4

How to fix

Upgrade to a fixed version: Linux kernel 6.4. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0a76082a4a32a90d1ef33dee8b400efc082b4b6f
• https://git.kernel.org/stable/c/3e77036246123ff710fa2661dcaa12a45284f09b
• https://git.kernel.org/stable/c/8a0b544b7caedfbc05065b6377fd1d8bf7ef5e70
• https://git.kernel.org/stable/c/8f57f3e112cf1d16682b6ff9c31c72f40f7da9c9
• https://git.kernel.org/stable/c/957904f531fd857a92743b11fbc9c9ffdf7f3207
• https://git.kernel.org/stable/c/d94772154e524b329a168678836745d2773a6e02
• https://git.kernel.org/stable/c/f20191100952013f0916418cdaed0ab55c7b634c

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