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CVE-2023-53672 (GCVE-0-2023-53672)

Vulnerability from cvelistv5 – Published: 2025-10-07 15:21 – Updated: 2026-05-11 19:49
VLAI
Title
btrfs: output extra debug info if we failed to find an inline backref
Summary
In the Linux kernel, the following vulnerability has been resolved: btrfs: output extra debug info if we failed to find an inline backref [BUG] Syzbot reported several warning triggered inside lookup_inline_extent_backref(). [CAUSE] As usual, the reproducer doesn't reliably trigger locally here, but at least we know the WARN_ON() is triggered when an inline backref can not be found, and it can only be triggered when @insert is true. (I.e. inserting a new inline backref, which means the backref should already exist) [ENHANCEMENT] After the WARN_ON(), dump all the parameters and the extent tree leaf to help debug.
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 492104c866cb1b62a11393adccb477f5cd2c7768 , < 376b41524b71e494514720bd6114325b0a2ed19c (git)
Affected: 492104c866cb1b62a11393adccb477f5cd2c7768 , < 400e08a16604b534fdd82c5a288fa150d04f5f79 (git)
Affected: 492104c866cb1b62a11393adccb477f5cd2c7768 , < 7afbfde45d665953b4d5a42a721e15bf0315d89b (git)
Affected: 492104c866cb1b62a11393adccb477f5cd2c7768 , < b7c3cf2f6c42e6688b1c37215a0b1663f982f915 (git)
Affected: 492104c866cb1b62a11393adccb477f5cd2c7768 , < 6994f806c6d1ae8b59344d3700358547f3b3fe1d (git)
Affected: 492104c866cb1b62a11393adccb477f5cd2c7768 , < 28062cd6eda04035d8f6ded2001292ac8b496149 (git)
Affected: 492104c866cb1b62a11393adccb477f5cd2c7768 , < e70ba449b04b40584bdabb383d10455397cbf177 (git)
Affected: 492104c866cb1b62a11393adccb477f5cd2c7768 , < 7f72f50547b7af4ddf985b07fc56600a4deba281 (git)
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Linux Linux Affected: 3.9
Unaffected: 0 , < 3.9 (semver)
Unaffected: 4.14.326 , ≤ 4.14.* (semver)
Unaffected: 4.19.295 , ≤ 4.19.* (semver)
Unaffected: 5.4.257 , ≤ 5.4.* (semver)
Unaffected: 5.10.197 , ≤ 5.10.* (semver)
Unaffected: 5.15.133 , ≤ 5.15.* (semver)
Unaffected: 6.1.55 , ≤ 6.1.* (semver)
Unaffected: 6.5.5 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
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Show details on NVD website

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          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/7afbfde45d665953b4d5a42a721e15bf0315d89b"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/7f72f50547b7af4ddf985b07fc56600a4deba281"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/b7c3cf2f6c42e6688b1c37215a0b1663f982f915"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/e70ba449b04b40584bdabb383d10455397cbf177"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "NVD-CWE-noinfo"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-06-30T10:40:02+00:00",
      "cve": "CVE-2023-53672",
      "id": "CVE-2023-53672",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_affected": "42",
      "product_status:known_not_affected": "232",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: btrfs: output extra debug info if we failed to find an inline backref",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53672.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-15T02:25:06Z",
      "cve": "CVE-2023-53672",
      "id": "CVE-2023-53672",
      "initial_release_date": "2025-10-08T23:30:12Z",
      "product_status:known_affected": "712",
      "product_status:known_not_affected": "15",
      "product_status:recommended": "333",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-53672",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53672.json",
      "version": "51"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

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.


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