CVE-2026-89829

7.8 HIGH

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

AI risk analysis

Summary: This flaw in the Linux kernel's F2FS file system allows incorrect node ID checks, potentially leading to data corruption or system instability.
Exploitability: Exploitation requires kernel-level access and specific conditions, making it moderately difficult.
Blast radius: If exploited, the vulnerability could result in data corruption or system crashes, impacting system integrity and availability.
Detection: No reliable host or network indicator is derivable from the published description.
Prioritized remediation: Upgrade to the fixed version 5.19.61 or later.

kernelf2fsdata-corruptionstability

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 pass folio->index to f2fs_sanity_check_node_footer() Otherwise in f2fs_sanity_check_node_footer(), it will check the same nid incorrectly.

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.