f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Fixed
No CVSS vector from any source. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages() There is potential deadloop in race condition: Thread A Thread B - fsync - f2fs_do_sync_file - f2fs_fsync_node_pages - last_fsync_dnode - folio_get(last_folio) - f2fs_setattr - f2fs_truncate - f2fs_truncate_blocks - f2fs_do_truncate_blocks - f2fs_truncate_inode_blocks - truncate_dnode - truncate_node - invalidate_mapping_pages - folio->mapping = NULL - is_node_folio alwasy return false - atomic && !marked is always true, then goto retry
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.1.191, 6.6.160, 6.12.114, 6.18.51, 7.2.5, 7.3
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 7 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4
- Red Hat OpenShift Container Platform 5
Timeline
- 2026-10-02 Threatist record created from CVE-2026-89833
- 2026-10-03 Alias added: GHSA-fw8r-p3gh-gw7x
- 2026-10-19 Fix available: Linux/[email protected] · CNA
- 2026-10-21 Fix available: Linux/Linux@58ca9f06480457eb9c9513e1ae2b75316d4ed1e5, Linux/[email protected], Linux/[email protected] +1 · CNA
- 2026-10-21 2 new references · CNA
- 2026-10-30 Fix available: Linux/[email protected], Linux/Linux@64a47dc8286ff98d8c231ae035bdfe16be1b93bf · CNA
- 2026-10-30 1 new reference · CNA
- 2026-11-06 Affected versions changed · Red Hat
- 2026-11-06 CVSS score added · Red Hat
References
Other 6
- https://git.kernel.org/stable/c/64a47dc8286ff98d8c231ae035bdfe16be1b93bf
- https://git.kernel.org/stable/c/58ca9f06480457eb9c9513e1ae2b75316d4ed1e5
- https://git.kernel.org/stable/c/bdc06381d590ad5833ee7a2c56b8b685d80ee9b5
- https://git.kernel.org/stable/c/161513f53e4ac90fd356433bdf8e31e6adeb92af
- https://git.kernel.org/stable/c/905411f6504876d268ba8dafc8e75367782da4b7
- https://git.kernel.org/stable/c/ce366bfa821ec81dd45bde547ee31e659306cc61
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Sources
- CVE-2026-89833 · CVE Program
- CVE-2026-89833 · NVD
- FIRST EPSS
- GHSA-fw8r-p3gh-gw7x · GitHub Advisory Database · CC BY 4.0
- CVE-2026-89833 · Red Hat security data · CC BY 4.0
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