CVE record · CVE-2026-89832

f2fs: fix to clear dirty flag on folio in error path

CVSS 7.8 HighEPSS 0.0017 · 6th percentile

Published by the CVE Program (CNA: Linux) at 16 Sept 2026, 10:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Linux	Linux	affected b42b179bda9ff11075a6fc2bac4d9e400513679a to before 9e0d9a317ce2cae3768626599d857bb3f0fd96fc git affected b42b179bda9ff11075a6fc2bac4d9e400513679a to before 21b7f66716b4fd0dffac4fcd06602b888f3c4531 git affected b42b179bda9ff11075a6fc2bac4d9e400513679a to before 34732e3a8713f3b7acd1a0ea37e3a6bee4c78550 git affected b42b179bda9ff11075a6fc2bac4d9e400513679a to before ab35ae07f2b5b4e118ea47b88577fc7d0e797b17 git affected b42b179bda9ff11075a6fc2bac4d9e400513679a to before 3923ec2b98c96dda4a8bfab81d22553dbf0dd6c2 git affected b42b179bda9ff11075a6fc2bac4d9e400513679a to before 5b86eab84ac8e9289b5afc52ef88ab18ba5bacab git affected 8d7ebdd109b4654ec5e0e9c3c6f08b06d6558f10 git affected b039536485970829918aa237a08417bd0ed5437c git affected 4.19.51 to before 4.20 semver affected 5.1.10 to before 5.2 semver Other versions: unaffected
Linux	Linux	affected 5.2 unaffected before 5.2 semver unaffected 6.1.191 to 6.1., inclusive semver unaffected 6.6.160 to 6.6., inclusive semver unaffected 6.12.112 to 6.12., inclusive semver unaffected 6.18.51 to 6.18., inclusive semver unaffected 7.2.5 to 7.2., inclusive semver unaffected 7.3 to , inclusive original_commit_for_fix Other versions: affected

Identifiers: CVE-2026-89832
CNA: Linux
Tags: Linux kernel
Published: 16 Sept 2026
Updated: 30 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The Linux kernel's f2fs filesystem is affected from version 5.2 until fixed. The source gives few details on what an attacker needs, only that a corrupted node block may be written to storage. Upgrade to 6.1.191, 6.6.160, 6.12.112, 6.18.51, or a later release in those series.

Written 12 Nov 2026.

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.8	High	3.1	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CNA (Linux)

CISA KEV Not listed.
EPSS 0.0017, the 6th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 16 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.