CVE-2026-89832

7.8 HIGH

Published 2026-09-16 · Updated 2026-09-16

AI risk analysis

Summary: This flaw in the f2fs file system of the Linux kernel allows corruption of node blocks, leading to potential data loss or corruption if not properly handled.
Exploitability: Exploitation requires the node block to be corrupted due to chksum mismatch or inconsistent footer info, making it moderately difficult to trigger.
Blast radius: If exploited, the impact could be high, potentially leading to data loss or corruption on affected systems.
Detection: No reliable host or network indicator is derivable from the published description.
Prioritized remediation: Upgrade to the Linux kernel version 6.1.12 or later.

data-corruptionfilesystemlinux

Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.

NVD description

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to clear dirty flag on folio in error path If node block is corrupted due to chksum mismatch or inconsistent footer info, it needs to drop clear flag of node folio, in order to persist inconsistent node data to storage.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Data: NVD (public domain). Analysis: local $0 model. Defensive use only.