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CVE-2025-38701 (GCVE-0-2025-38701)

Vulnerability from cvelistv5 – Published: 2025-09-04 15:32 – Updated: 2026-07-14 12:42
VLAI
Title
ext4: do not BUG when INLINE_DATA_FL lacks system.data xattr
Summary
In the Linux kernel, the following vulnerability has been resolved: ext4: do not BUG when INLINE_DATA_FL lacks system.data xattr A syzbot fuzzed image triggered a BUG_ON in ext4_update_inline_data() when an inode had the INLINE_DATA_FL flag set but was missing the system.data extended attribute. Since this can happen due to a maiciouly fuzzed file system, we shouldn't BUG, but rather, report it as a corrupted file system. Add similar replacements of BUG_ON with EXT4_ERROR_INODE() ii ext4_create_inline_data() and ext4_inline_data_truncate().
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: 67cf5b09a46f72e048501b84996f2f77bc42e947 , < 8085a7324d8ec448c4a764af7853e19bbd64e17a (git)
Affected: 67cf5b09a46f72e048501b84996f2f77bc42e947 , < 1199a6399895f4767f0b9a68a6ff47c3f799b7c7 (git)
Affected: 67cf5b09a46f72e048501b84996f2f77bc42e947 , < 7f322c12df7aeed1755acd3c6fab48c7807795fb (git)
Affected: 67cf5b09a46f72e048501b84996f2f77bc42e947 , < 2817ac83cb4732597bf36853fe13ca616f4ee4e2 (git)
Affected: 67cf5b09a46f72e048501b84996f2f77bc42e947 , < d960f4b793912f35e9d72bd9d1e90553063fcbf1 (git)
Affected: 67cf5b09a46f72e048501b84996f2f77bc42e947 , < 81e7e2e7ba07e7c8cdce43ccad2f91adbc5a919c (git)
Affected: 67cf5b09a46f72e048501b84996f2f77bc42e947 , < 279c87ef7b9da34f65c2e4db586e730b667a6fb9 (git)
Affected: 67cf5b09a46f72e048501b84996f2f77bc42e947 , < 8a6f89d42e61788605722dd9faf98797c958a7e5 (git)
Affected: 67cf5b09a46f72e048501b84996f2f77bc42e947 , < 099b847ccc6c1ad2f805d13cfbcc83f5b6d4bc42 (git)
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Linux Linux Affected: 3.8
Unaffected: 0 , < 3.8 (semver)
Unaffected: 5.4.297 , ≤ 5.4.* (semver)
Unaffected: 5.10.241 , ≤ 5.10.* (semver)
Unaffected: 5.15.190 , ≤ 5.15.* (semver)
Unaffected: 6.1.149 , ≤ 6.1.* (semver)
Unaffected: 6.6.103 , ≤ 6.6.* (semver)
Unaffected: 6.12.43 , ≤ 6.12.* (semver)
Unaffected: 6.15.11 , ≤ 6.15.* (semver)
Unaffected: 6.16.2 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)
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Siemens SIMATIC CN 4100 Affected: 0 , < V5.0 (custom)
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Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP Affected: V3.1.5 , < * (custom)
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-30T01:15:12+00:00",
      "cve": "CVE-2025-38701",
      "id": "CVE-2025-38701",
      "initial_release_date": "2025-09-04T00:00:00+00:00",
      "product_status:known_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ext4: do not BUG when INLINE_DATA_FL lacks system.data xattr",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-38701.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T01:59:43Z",
      "cve": "CVE-2025-38701",
      "id": "CVE-2025-38701",
      "initial_release_date": "2025-09-04T23:23:46Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "723",
      "product_status:known_not_affected": "6",
      "product_status:recommended": "509",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-38701",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-38701.json",
      "version": "58"
    }
  }
}



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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.


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.