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CVE-2026-89833VulnerabilityPublished Updated

f2fs_fsync_node_pages() · f2fs: fix to avoid potential deadloop

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-89833· Medium

Not known to be exploited · fixed in ce366bfa821ec81dd45bde547ee31e659306cc61 : update Microsoft when convenient.

Data as of 7 Nov 2026, 12:19 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in ce366bfa821ec81dd45bde547ee31e659306cc61, bdc06381d590ad5833ee7a2c56b8b685d80ee9b5, 905411f6504876d268ba8dafc8e75367782da4b7 +3

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 7 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ 608514deba38c8611ad330d6a3c8e2b9a1f68e4b, < ce366bfa821ec81dd45bde547ee31e659306cc61
Fixed in
  • ce366bfa821ec81dd45bde547ee31e659306cc61
LinuxLinuxAffected
  • ≥ 608514deba38c8611ad330d6a3c8e2b9a1f68e4b, < bdc06381d590ad5833ee7a2c56b8b685d80ee9b5
Fixed in
  • bdc06381d590ad5833ee7a2c56b8b685d80ee9b5
LinuxLinuxAffected
  • ≥ 608514deba38c8611ad330d6a3c8e2b9a1f68e4b, < 905411f6504876d268ba8dafc8e75367782da4b7
Fixed in
  • 905411f6504876d268ba8dafc8e75367782da4b7
LinuxLinuxAffected
  • ≥ 608514deba38c8611ad330d6a3c8e2b9a1f68e4b, < 161513f53e4ac90fd356433bdf8e31e6adeb92af
Fixed in
  • 161513f53e4ac90fd356433bdf8e31e6adeb92af
LinuxLinuxAffected
  • ≥ 608514deba38c8611ad330d6a3c8e2b9a1f68e4b, < 64a47dc8286ff98d8c231ae035bdfe16be1b93bf
Fixed in
  • 64a47dc8286ff98d8c231ae035bdfe16be1b93bf
LinuxLinuxAffected
  • ≥ 608514deba38c8611ad330d6a3c8e2b9a1f68e4b, < 58ca9f06480457eb9c9513e1ae2b75316d4ed1e5
Fixed in
  • 58ca9f06480457eb9c9513e1ae2b75316d4ed1e5

Description

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

References

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