CVE-2023-53603 (GCVE-0-2023-53603)

Vulnerability from cvelistv5 – Published: 2025-10-04 15:44 – Updated: 2025-10-29 10:50
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Avoid fcport pointer dereference Klocwork reported warning of NULL pointer may be dereferenced. The routine exits when sa_ctl is NULL and fcport is allocated after the exit call thus causing NULL fcport pointer to dereference at the time of exit. To avoid fcport pointer dereference, exit the routine when sa_ctl is NULL.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 7b2fbfa4b2cd3a24c1760b85d842e928070d4744 , < 4406fe8a96a946c7ea5724ee59625755a1d9c59d (git)
Affected: e0fb8ce2bb9e52c846e54ad2c58b5b7beb13eb09 , < 477bc74ad1add644b606bff6ba1284943c42818a (git)
Affected: e0fb8ce2bb9e52c846e54ad2c58b5b7beb13eb09 , < 7bbeff613ec0560fb2f6f8b405288f3f043adf64 (git)
Affected: e0fb8ce2bb9e52c846e54ad2c58b5b7beb13eb09 , < 6b504d06976fe4a61cc05dedc68b84fadb397f77 (git)
Affected: 47b583ad1f7e459689eb1bdd222279a6986ccd69 (git)
Affected: d2deafaef0330a863b5e046c1154b605588d19f7 (git)
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    Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 5.15.121 , ≤ 5.15.* (semver)
Unaffected: 6.1.40 , ≤ 6.1.* (semver)
Unaffected: 6.4.5 , ≤ 6.4.* (semver)
Unaffected: 6.5 , ≤ * (original_commit_for_fix)
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{
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        {
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          "product": "Linux",
          "programFiles": [
            "drivers/scsi/qla2xxx/qla_edif.c"
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              "status": "unaffected",
              "version": "6.5",
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        }
      ],
      "cpeApplicability": [
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              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Avoid fcport pointer dereference\n\nKlocwork reported warning of NULL pointer may be dereferenced.  The routine\nexits when sa_ctl is NULL and fcport is allocated after the exit call thus\ncausing NULL fcport pointer to dereference at the time of exit.\n\nTo avoid fcport pointer dereference, exit the routine when sa_ctl is NULL."
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      "providerMetadata": {
        "dateUpdated": "2025-10-29T10:50:33.875Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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      "references": [
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        {
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      "title": "scsi: qla2xxx: Avoid fcport pointer dereference",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-53603",
    "datePublished": "2025-10-04T15:44:13.820Z",
    "dateReserved": "2025-10-04T15:40:38.479Z",
    "dateUpdated": "2025-10-29T10:50:33.875Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53603\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-10-04T16:15:56.940\",\"lastModified\":\"2025-10-06T14:56:21.733\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: qla2xxx: Avoid fcport pointer dereference\\n\\nKlocwork reported warning of NULL pointer may be dereferenced.  The routine\\nexits when sa_ctl is NULL and fcport is allocated after the exit call thus\\ncausing NULL fcport pointer to dereference at the time of exit.\\n\\nTo avoid fcport pointer dereference, exit the routine when sa_ctl is NULL.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/4406fe8a96a946c7ea5724ee59625755a1d9c59d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/477bc74ad1add644b606bff6ba1284943c42818a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6b504d06976fe4a61cc05dedc68b84fadb397f77\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7bbeff613ec0560fb2f6f8b405288f3f043adf64\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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Sightings

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  • 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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