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ext4: do not BUG when INLINE_DATA_FL lacks system.data xattr

Type: advisorySource: Official CVE List1 source record

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().

Announced Group revision 1
Original source ↗

CVE-2025-38701

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2025-38701

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "67cf5b09a46f72e048501b84996f2f77bc42e947",
        "lessThan": "8085a7324d8ec448c4a764af7853e19bbd64e17a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "67cf5b09a46f72e048501b84996f2f77bc42e947",
        "lessThan": "1199a6399895f4767f0b9a68a6ff47c3f799b7c7",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "67cf5b09a46f72e048501b84996f2f77bc42e947",
        "lessThan": "7f322c12df7aeed1755acd3c6fab48c7807795fb",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "67cf5b09a46f72e048501b84996f2f77bc42e947",
        "lessThan": "2817ac83cb4732597bf36853fe13ca616f4ee4e2",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "67cf5b09a46f72e048501b84996f2f77bc42e947",
        "lessThan": "d960f4b793912f35e9d72bd9d1e90553063fcbf1",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "67cf5b09a46f72e048501b84996f2f77bc42e947",
        "lessThan": "81e7e2e7ba07e7c8cdce43ccad2f91adbc5a919c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "67cf5b09a46f72e048501b84996f2f77bc42e947",
        "lessThan": "279c87ef7b9da34f65c2e4db586e730b667a6fb9",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "67cf5b09a46f72e048501b84996f2f77bc42e947",
        "lessThan": "8a6f89d42e61788605722dd9faf98797c958a7e5",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "67cf5b09a46f72e048501b84996f2f77bc42e947",
        "lessThan": "099b847ccc6c1ad2f805d13cfbcc83f5b6d4bc42",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "fs/ext4/inline.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "3.8"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "3.8",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.4.297",
        "versionType": "semver",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.241",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.190",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.149",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.103",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.43",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.15.11",
        "versionType": "semver",
        "lessThanOrEqual": "6.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.16.2",
        "versionType": "semver",
        "lessThanOrEqual": "6.16.*"
      },
      {
        "status": "unaffected",
        "version": "6.17",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "fs/ext4/inline.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2025-38701

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#27047 · Revision 1
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Publisher date
Read the original announcement

Revision history

  1. CVE-2025-38701 · Revision 1Source updated