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CVE-2026-89832

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

HIGH
7.8
CVSS Score
Published: September 16, 2026 at 10:31 AM UTC
Updated: October 21, 2026 at 01:20 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
4.19.515.1.105.28d7ebdd109b4654ec5e0e9c3c6f08b06d6558f10b039536485970829918aa237a08417bd0ed5437cb42b179bda9ff11075a6fc2bac4d9e400513679a
Vendor states this is fixed in 34732e3a8713f3b7acd1a0ea37e3a6bee4c78550 (fixed)
Vendor states this is fixed in 3923ec2b98c96dda4a8bfab81d22553dbf0dd6c2 (fixed)
Vendor states this is fixed in 5b86eab84ac8e9289b5afc52ef88ab18ba5bacab (fixed)
Vendor states this is fixed in ab35ae07f2b5b4e118ea47b88577fc7d0e797b17 (fixed)
Affected range stops below 4.20, so it looks safe — our inference, not a vendor statement
Vendor states this is fixed in 5.2 (unaffected)
Vendor states this is fixed in 6.12.112 (unaffected)
Vendor states this is fixed in 6.18.51 (unaffected)
Vendor states this is fixed in 6.6.160 (unaffected)
Vendor states this is fixed in 7.2.5 (unaffected)
Vendor states this is fixed in 7.3 (unaffected)
Vendor states this is fixed in 7.3-rc1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

Source: cverecord
https://git.kernel.org/stable/c/ab35ae07f2b5b4e118ea47b88577fc7d0e797b17
Source: cverecord
https://git.kernel.org/stable/c/3923ec2b98c96dda4a8bfab81d22553dbf0dd6c2
Source: cverecord
https://git.kernel.org/stable/c/5b86eab84ac8e9289b5afc52ef88ab18ba5bacab
Source: cverecord
https://git.kernel.org/stable/c/34732e3a8713f3b7acd1a0ea37e3a6bee4c78550
Source: cverecord
https://git.kernel.org/stable/c/21b7f66716b4fd0dffac4fcd06602b888f3c4531

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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