CVE-2026-89833: Linux vulnerability

CVE-2026-89833: f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()

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

UnknownCVSS not scoredNot KEV-listedUpdatedOct 21, 2026, 12:48 UTC (UTC+00:00)

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Sep 16, 2026, 10:31 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

3Timeline events

0ADP providers

6Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
Sep 11, 2026, 19:38 UTC (UTC+00:00)
CVE publishedCVE Program
The CVE record was published.
Sep 16, 2026, 10:31 UTC (UTC+00:00)
CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
Oct 21, 2026, 12:48 UTC (UTC+00:00)

Source materials

CVE List V5 sourceCVE List V5
https://git.kernel.org/stable/c/58ca9f06480457eb9c9513e1ae2b75316d4ed1e5CVE reference, Linux
https://git.kernel.org/stable/c/bdc06381d590ad5833ee7a2c56b8b685d80ee9b5CVE reference, Linux
https://git.kernel.org/stable/c/161513f53e4ac90fd356433bdf8e31e6adeb92afCVE reference, Linux
https://git.kernel.org/stable/c/905411f6504876d268ba8dafc8e75367782da4b7CVE reference, Linux
https://git.kernel.org/stable/c/ce366bfa821ec81dd45bde547ee31e659306cc61CVE reference, Linux

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

LinuxLinux608514deba38c8611ad330d6a3c8e2b9a1f68e4b, 608514deba38c8611ad330d6a3c8e2b9a1f68e4b, 608514deba38c8611ad330d6a3c8e2b9a1f68e4b, 608514deba38c8611ad330d6a3c8e2b9a1f68e4b, 608514deba38c8611ad330d6a3c8e2b9a1f68e4bunaffected

LinuxLinux4.7, 0, 6.6.160, 6.12.114, 6.18.51, 7.2.5, 7.3affected

Weakness

CWE details

No CWE listed

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