CVE-2026-89829

f2fs: fix to pass folio->index to f2fs_sanity_check_node_footer()

CVE-2026-89829 is fixed in linux on 1 platform by DEBIAN-CVE-2026-89829 (version 7.2.6-1), released September 23, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.8

high

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0017

6th percentile

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.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
linux · Debian 14	7.2.6-1	DEBIAN-CVE-2026-89829	Sep 23, 2026

Details

Published
September 16, 2026
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-89829

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