CVE-2023-54310 (GCVE-0-2023-54310)

Vulnerability from cvelistv5 – Published: 2025-12-30 12:23 – Updated: 2026-08-05 09:19
VLAI
Title
scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition mptlan_probe() calls mpt_register_lan_device() which initializes the &priv->post_buckets_task workqueue. A call to mpt_lan_wake_post_buckets_task() will subsequently start the work. During driver unload in mptlan_remove() the following race may occur: CPU0 CPU1 |mpt_lan_post_receive_buckets_work() mptlan_remove() | free_netdev() | kfree(dev); | | | dev->mtu | //use Fix this by finishing the work prior to cleaning up in mptlan_remove(). [mkp: we really should remove mptlan instead of attempting to fix it]
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 92f869693d84e813895ff4d25363744575515423 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 60c8645ad6f5b722615383d595d63b62b07a13c3 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 410e610a96c52a7b41e2ab6c9ca60868d9acecce (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 697f92f8317e538d8409a0c95d6370eb40b34c05 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < e84282efc87f2414839f6e15c31b4daa34ebaac1 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 9c6da3b7f12528cd52c458b33496a098b838fcfc (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 48daa4a3015d859ee424948844ce3c12f2fe44e6 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f486893288f3e9b171b836f43853a6426515d800 (git)
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Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 4.14.316 , ≤ 4.14.* (semver)
Unaffected: 4.19.284 , ≤ 4.19.* (semver)
Unaffected: 5.4.244 , ≤ 5.4.* (semver)
Unaffected: 5.10.181 , ≤ 5.10.* (semver)
Unaffected: 5.15.113 , ≤ 5.15.* (semver)
Unaffected: 6.1.30 , ≤ 6.1.* (semver)
Unaffected: 6.3.4 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
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Show details on NVD website

{
  "containers": {
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          "defaultStatus": "unaffected",
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          "programFiles": [
            "drivers/message/fusion/mptlan.c"
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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: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition\n\nmptlan_probe() calls mpt_register_lan_device() which initializes the\n\u0026priv-\u003epost_buckets_task workqueue. A call to\nmpt_lan_wake_post_buckets_task() will subsequently start the work.\n\nDuring driver unload in mptlan_remove() the following race may occur:\n\nCPU0                  CPU1\n\n                    |mpt_lan_post_receive_buckets_work()\nmptlan_remove()     |\n  free_netdev()     |\n    kfree(dev);     |\n                    |\n                    | dev-\u003emtu\n                    |   //use\n\nFix this by finishing the work prior to cleaning up in mptlan_remove().\n\n[mkp: we really should remove mptlan instead of attempting to fix it]"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The freeing side of the race is only reachable through local actions \u2014 module unload of mptlan/mptfc, or a sysfs PCI remove/unbind on the Fusion adapter \u2014 so the attacker must have local system access. A remote Fibre Channel peer can keep the post_buckets work armed but cannot itself trigger free_netdev().\nAC:L - The attacker controls both sides of the race: driving traffic on the fc0 IP-over-FC interface keeps priv-\u003epost_buckets_task continuously scheduled (rearmed on every receive once buckets fall below priv-\u003ebucketthresh), while the attacker separately chooses the moment of driver removal, and the attempt is freely repeatable across probe/remove cycles.\nPR:L - Consistent with how this subsystem class is scored, a local user account is treated as sufficient to reach the driver teardown path and to generate the interface traffic that arms the work item; no separately-authenticated or hardware-privileged role is needed to influence the racing side.\nUI:N - No victim action is required \u2014 the attacker performs both the traffic generation that schedules the work and the driver-removal that frees the net_device.\nS:U - The use-after-free corrupts kernel heap memory and is exploited within the kernel\u0027s own security authority; there is no crossing of a VM, IOMMU, or sandbox boundary.\nC:H - The work function dereferences the freed allocation extensively (priv-\u003edev, dev-\u003emtu, dev-\u003ehard_header_len, priv-\u003empt_dev, priv-\u003eRcvCtl[], priv-\u003empt_rxfidx[]), so an attacker who reclaims the slab controls what is read and can leak kernel memory contents, including DMA addresses and skb pointers.\nI:H - Beyond reading, mpt_lan_post_receive_buckets() writes into the freed object (priv-\u003eRcvCtl[ctx].skb/dma/len, priv-\u003empt_rxfidx[], the buckets_out atomic) and programs attacker-influenced addresses and lengths into HBA DMA scatter-gather entries, giving a controlled write primitive suitable for control-flow hijacking.\nA:H - The use-after-free reliably oopses or panics the kernel when the freed net_device slab has been reused, and the bogus dma_map_single()/DMA descriptor programming can additionally wedge the storage adapter."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T09:19:10.783Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/92f869693d84e813895ff4d25363744575515423"
        },
        {
          "url": "https://git.kernel.org/stable/c/60c8645ad6f5b722615383d595d63b62b07a13c3"
        },
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          "url": "https://git.kernel.org/stable/c/410e610a96c52a7b41e2ab6c9ca60868d9acecce"
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        },
        {
          "url": "https://git.kernel.org/stable/c/f486893288f3e9b171b836f43853a6426515d800"
        }
      ],
      "title": "scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-54310",
    "datePublished": "2025-12-30T12:23:42.509Z",
    "dateReserved": "2025-12-30T12:06:44.530Z",
    "dateUpdated": "2026-08-05T09:19:10.783Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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      "date": "2026-09-28",
      "epss": "0.00162",
      "percentile": "0.04715"
    },
    "nvd": {
      "cve": {
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            "affectedData": [
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                "defaultStatus": "unaffected",
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                "programFiles": [
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                    "version": "6.3.4",
                    "versionType": "semver"
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                    "versionType": "original_commit_for_fix"
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          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition\n\nmptlan_probe() calls mpt_register_lan_device() which initializes the\n\u0026priv-\u003epost_buckets_task workqueue. A call to\nmpt_lan_wake_post_buckets_task() will subsequently start the work.\n\nDuring driver unload in mptlan_remove() the following race may occur:\n\nCPU0                  CPU1\n\n                    |mpt_lan_post_receive_buckets_work()\nmptlan_remove()     |\n  free_netdev()     |\n    kfree(dev);     |\n                    |\n                    | dev-\u003emtu\n                    |   //use\n\nFix this by finishing the work prior to cleaning up in mptlan_remove().\n\n[mkp: we really should remove mptlan instead of attempting to fix it]"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nscsi: message: mptlan: Correcci\u00f3n de un error de uso despu\u00e9s de liberar en mptlan_remove() debido a una condici\u00f3n de carrera\n\nmptlan_probe() llama a mpt_register_lan_device(), que inicializa la cola de trabajo \u0026amp;priv-\u0026gt;post_buckets_task. Una llamada a mpt_lan_wake_post_buckets_task() posteriormente iniciar\u00e1 el trabajo.\n\nDurante la descarga del controlador en mptlan_remove(), la siguiente condici\u00f3n de carrera puede ocurrir:\n\nCPU0                  CPU1\n\n                    |mpt_lan_post_receive_buckets_work()\nmptlan_remove()     |\n  free_netdev()     |\n    kfree(dev);     |\n                    |\n                    | dev-\u0026gt;mtu\n                    |   //use\n\nSolucione esto finalizando el trabajo antes de limpiar en mptlan_remove().\n\n[mkp: realmente deber\u00edamos eliminar mptlan en lugar de intentar arreglarlo]"
          }
        ],
        "id": "CVE-2023-54310",
        "lastModified": "2026-08-04T11:16:39.987",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
              "type": "Secondary"
            }
          ]
        },
        "published": "2025-12-30T13:16:20.200",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/410e610a96c52a7b41e2ab6c9ca60868d9acecce"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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          },
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          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/92f869693d84e813895ff4d25363744575515423"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/9c6da3b7f12528cd52c458b33496a098b838fcfc"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/e84282efc87f2414839f6e15c31b4daa34ebaac1"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/f486893288f3e9b171b836f43853a6426515d800"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Deferred"
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-04T22:51:31+00:00",
      "cve": "CVE-2023-54310",
      "id": "CVE-2023-54310",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_affected": "14",
      "product_status:known_not_affected": "260",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54310.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-03T16:45:46Z",
      "cve": "CVE-2023-54310",
      "id": "CVE-2023-54310",
      "initial_release_date": "2025-12-31T00:26:07Z",
      "product_status:known_affected": "328",
      "product_status:known_not_affected": "172",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-54310",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-54310.json",
      "version": "15"
    }
  }
}



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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.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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