CVE-2023-53457 (GCVE-0-2023-53457)

Vulnerability from cvelistv5 – Published: 2025-10-01 11:42 – Updated: 2026-01-05 10:20
VLAI?
Title
FS: JFS: Fix null-ptr-deref Read in txBegin
Summary
In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Fix null-ptr-deref Read in txBegin Syzkaller reported an issue where txBegin may be called on a superblock in a read-only mounted filesystem which leads to NULL pointer deref. This could be solved by checking if the filesystem is read-only before calling txBegin, and returning with appropiate error code.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a7225e9e09519deb7e0c42eb6070029cc456e84d (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 1b4c144767736221cad92c132f72b3c6ed06a0ea (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < a7d17d6bd7cd4f6940b335ea7a6fce5b6d22adc2 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 2a3f20efe6c901d4c0871cfd1d8c65e2ade71fc1 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 3e94d0d378d2754b26fc54b429582553f7b53e15 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 3e5eb6c5ecd8ddb9cfea751cf30f9e23eac97ca3 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < fd2db13fb72ff18c633a48229589d42ceb89d1f8 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 47cfdc338d674d38f4b2f22b7612cc6a2763ba27 (git)
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    Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 4.14.324 , ≤ 4.14.* (semver)
Unaffected: 4.19.293 , ≤ 4.19.* (semver)
Unaffected: 5.4.255 , ≤ 5.4.* (semver)
Unaffected: 5.10.192 , ≤ 5.10.* (semver)
Unaffected: 5.15.123 , ≤ 5.15.* (semver)
Unaffected: 6.1.42 , ≤ 6.1.* (semver)
Unaffected: 6.4.7 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
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{
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          "programFiles": [
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              "version": "0",
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              "lessThanOrEqual": "4.14.*",
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            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
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              "lessThanOrEqual": "5.4.*",
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              "lessThanOrEqual": "5.10.*",
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              "status": "unaffected",
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      ],
      "cpeApplicability": [
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nFS: JFS: Fix null-ptr-deref Read in txBegin\n\n Syzkaller reported an issue where txBegin may be called\n on a superblock in a read-only mounted filesystem which leads\n to NULL pointer deref. This could be solved by checking if\n the filesystem is read-only before calling txBegin, and returning\n with appropiate error code."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-01-05T10:20:45.270Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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        {
          "url": "https://git.kernel.org/stable/c/1b4c144767736221cad92c132f72b3c6ed06a0ea"
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        {
          "url": "https://git.kernel.org/stable/c/47cfdc338d674d38f4b2f22b7612cc6a2763ba27"
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      ],
      "title": "FS: JFS: Fix null-ptr-deref Read in txBegin",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53457",
    "datePublished": "2025-10-01T11:42:28.730Z",
    "dateReserved": "2025-09-17T14:54:09.755Z",
    "dateUpdated": "2026-01-05T10:20:45.270Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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