CVE-2026-46175
kernel: f2fs: fix fsck inconsistency caused by FGGC of node block
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Severity
LowRed Hat Product Security
CVSS
Review impact separately from score.
Published · May 28, 2026
Updated · October 20, 2026
Description
A flaw was found in the Linux kernel's f2fs filesystem. During Foreground Garbage Collection (FGGC) of node blocks, the system fails to properly clear internal metadata marks. This can lead to filesystem inconsistencies, where the fsck utility may misinterpret the state of migrated data. A local user could potentially trigger this issue, resulting in incorrect filesystem reporting or data integrity problems.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CWE-911 · Improper Update of Reference Count