CVE-2023-53124 (GCVE-0-2023-53124)

Vulnerability from cvelistv5 – Published: 2025-05-02 15:56 – Updated: 2026-05-23 15:28
VLAI?
Title
scsi: mpt3sas: Fix NULL pointer access in mpt3sas_transport_port_add()
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix NULL pointer access in mpt3sas_transport_port_add() Port is allocated by sas_port_alloc_num() and rphy is allocated by either sas_end_device_alloc() or sas_expander_alloc(), all of which may return NULL. So we need to check the rphy to avoid possible NULL pointer access. If sas_rphy_add() returned with failure, rphy is set to NULL. We would access the rphy in the following lines which would also result NULL pointer access.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: d60000cb1195a464080b0efb4949daf7594e0020 , < 090305c36185c0547e4441d4c08f1cf096b32134 (git)
Affected: ce1a69cc85006b494353911b35171da195d79e25 , < 6f0c2f70d9929208d8427ec72c3ed91e2251e289 (git)
Affected: 6a92129c8f999ff5b122c100ce7f625eb3e98c4b , < 9937f784a608944107dcc2ba9a9c3333f8330b9e (git)
Affected: d17bca3ddfe507874cb826d32721552da12e741f , < b5e5bbb3fa5f8412e96c5eda7f4a4af6241d6bd3 (git)
Affected: 78316e9dfc24906dd474630928ed1d3c562b568e , < a26c775ccc4cfe46f9b718b51bd24313053c7e0b (git)
Affected: 78316e9dfc24906dd474630928ed1d3c562b568e , < d3c57724f1569311e4b81e98fad0931028b9bdcd (git)
Affected: 6f6768e2fc8638fabdd8802c2ef693d7aef01db1 (git)
Affected: 5.4.229 , < 5.4.238 (semver)
Affected: 5.10.163 , < 5.10.176 (semver)
Affected: 5.15.86 , < 5.15.104 (semver)
Affected: 6.1.2 , < 6.1.21 (semver)
Affected: 6.0.16 , < 6.1 (semver)
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Linux Linux Affected: 6.2
Unaffected: 0 , < 6.2 (semver)
Unaffected: 5.4.238 , ≤ 5.4.* (semver)
Unaffected: 5.10.176 , ≤ 5.10.* (semver)
Unaffected: 5.15.104 , ≤ 5.15.* (semver)
Unaffected: 6.1.21 , ≤ 6.1.* (semver)
Unaffected: 6.2.8 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
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{
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      "date": "2026-05-24",
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    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-53124\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-02T16:15:31.453\",\"lastModified\":\"2025-11-10T17:49:51.370\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: mpt3sas: Fix NULL pointer access in mpt3sas_transport_port_add()\\n\\nPort is allocated by sas_port_alloc_num() and rphy is allocated by either\\nsas_end_device_alloc() or sas_expander_alloc(), all of which may return\\nNULL. So we need to check the rphy to avoid possible NULL pointer access.\\n\\nIf sas_rphy_add() returned with failure, rphy is set to NULL. We would\\naccess the rphy in the following lines which would also result NULL pointer\\naccess.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: mpt3sas: Se corrige el acceso a puntero nulo en mpt3sas_transport_port_add(). El puerto se asigna mediante sas_port_alloc_num() y el rphy se asigna mediante sas_end_device_alloc() o sas_expander_alloc(), lo que puede devolver un valor nulo. Por lo tanto, es necesario comprobar el rphy para evitar un posible acceso a puntero nulo. Si sas_rphy_add() falla, el rphy se establece en nulo. Acceder\u00edamos al rphy en las siguientes l\u00edneas, lo que tambi\u00e9n resultar\u00eda en un acceso a puntero nulo.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.4.229\",\"versionEndExcluding\":\"5.4.238\",\"matchCriteriaId\":\"C6EFCED7-16F3-4676-9897-F1C04911D7EA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10.163\",\"versionEndExcluding\":\"5.10.176\",\"matchCriteriaId\":\"B4F03DB7-ADEF-4E6F-A119-08BF63F71EEF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.15.86\",\"versionEndExcluding\":\"5.15.104\",\"matchCriteriaId\":\"5CF97B4A-9212-4BCA-A17C-FDE1C106F38D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.0.16\",\"versionEndExcluding\":\"6.1\",\"matchCriteriaId\":\"6C7522E3-150F-436D-BBD7-96C7B4B795ED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1.2\",\"versionEndExcluding\":\"6.1.21\",\"matchCriteriaId\":\"0BA94E7C-117D-49B8-9C20-112E52839B6C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.2.8\",\"matchCriteriaId\":\"4011EC6B-7786-4709-B765-186FA31D6F7F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B8E3B0E8-FA27-4305-87BB-AF6C25B160CB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"A47F0FC3-CE52-4BA1-BA51-22F783938431\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/090305c36185c0547e4441d4c08f1cf096b32134\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6f0c2f70d9929208d8427ec72c3ed91e2251e289\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9937f784a608944107dcc2ba9a9c3333f8330b9e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a26c775ccc4cfe46f9b718b51bd24313053c7e0b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b5e5bbb3fa5f8412e96c5eda7f4a4af6241d6bd3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d3c57724f1569311e4b81e98fad0931028b9bdcd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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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.