CVE-2023-54305 (GCVE-0-2023-54305)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:23 – Updated: 2025-12-30 12:23
VLAI?
Title
ext4: refuse to create ea block when umounted
Summary
In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to access s_root while it is already set as NULL when umount is triggered. Refuse this request to avoid panic.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < aedea161d031502a423ed1c7597754681a4f8cda (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 21f6a80d9234422e2eb445734b22c78fc5bf6719 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a92b67e768bde433b9385cde56c09deb58db269e (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 0dc0fa313bb4e86382a3e7125429710d44383196 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 116008ada3d0de4991099edaf6b8c2e9cd6f225a (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 05cbf6ddd9847c7b4f0662c048f195b09405a9d0 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a458a8c1d1fc4e10a1813786132b09a3863ad3f2 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f31173c19901a96bb2ebf6bcfec8a08df7095c91 (git)
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    Linux Linux Unaffected: 4.14.308 , ≤ 4.14.* (semver)
Unaffected: 4.19.276 , ≤ 4.19.* (semver)
Unaffected: 5.4.235 , ≤ 5.4.* (semver)
Unaffected: 5.10.173 , ≤ 5.10.* (semver)
Unaffected: 5.15.99 , ≤ 5.15.* (semver)
Unaffected: 6.1.16 , ≤ 6.1.* (semver)
Unaffected: 6.2.3 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
            "fs/ext4/xattr.c"
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        }
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      "providerMetadata": {
        "dateUpdated": "2025-12-30T12:23:39.163Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "title": "ext4: refuse to create ea block when umounted",
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    "dateReserved": "2025-12-30T12:06:44.529Z",
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    "state": "PUBLISHED"
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  }
}


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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.