CVE-2026-89829: Linux

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux: from 6.18.13, before 6.18.51 (fixed in 6.18.51); from 6.19.3, before 6.20 (fixed in 6.20); from 7.0, before 7.2.5 (fixed in 7.2.5)

Published 2026-09-16. Last modified 2026-09-16.