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CVE-2026-23232 (GCVE-0-2026-23232)

Vulnerability from cvelistv5 – Published: 2026-03-04 14:36 – Updated: 2026-05-11 22:02
VLAI
Title
Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()"
Summary
In the Linux kernel, the following vulnerability has been resolved: Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()" This reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a. Original patch may cause below deadlock, revert it. write remount - write_begin - lock_page --- lock A - prepare_write_begin - f2fs_map_lock - f2fs_enable_checkpoint - down_write(cp_enable_rwsem) --- lock B - sync_inode_sb - writepages - lock_page --- lock A - down_read(cp_enable_rwsem) --- lock A
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 196c81fdd438f7ac429d5639090a9816abb9760a , < b6382273801bc7c778545dd8004c9a9d750b4f62 (git)
Affected: 196c81fdd438f7ac429d5639090a9816abb9760a , < 3996b70209f145bfcf2afc7d05dd92c27b233b48 (git)
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Linux Linux Affected: 6.19
Unaffected: 0 , < 6.19 (semver)
Unaffected: 6.19.3 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
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        "shortName": "Linux"
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      "references": [
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          "url": "https://git.kernel.org/stable/c/b6382273801bc7c778545dd8004c9a9d750b4f62"
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        {
          "url": "https://git.kernel.org/stable/c/3996b70209f145bfcf2afc7d05dd92c27b233b48"
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      "title": "Revert \"f2fs: block cache/dio write during f2fs_enable_checkpoint()\"",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23232",
    "datePublished": "2026-03-04T14:36:37.323Z",
    "dateReserved": "2026-01-13T15:37:45.988Z",
    "dateUpdated": "2026-05-11T22:02:52.855Z",
    "state": "PUBLISHED"
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    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-28T06:26:39+00:00",
      "cve": "CVE-2026-23232",
      "id": "CVE-2026-23232",
      "initial_release_date": "2026-03-04T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Revert \"f2fs: block cache/dio write during f2fs_enable_checkpoint()\"",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23232.json",
      "version": "3"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.