Vulnerability-Lookup

FKIE_CVE-2024-40901

Vulnerability from fkie_nvd - Published: 2024-07-12 13:15 - Updated: 2026-08-04 11:19

Severity

7.3 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Avoid test/set_bit() operating in non-allocated memory There is a potential out-of-bounds access when using test_bit() on a single word. The test_bit() and set_bit() functions operate on long values, and when testing or setting a single word, they can exceed the word boundary. KASAN detects this issue and produces a dump: BUG: KASAN: slab-out-of-bounds in _scsih_add_device.constprop.0 (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 drivers/scsi/mpt3sas/mpt3sas_scsih.c:7331) mpt3sas Write of size 8 at addr ffff8881d26e3c60 by task kworker/u1536:2/2965 For full log, please look at [1]. Make the allocation at least the size of sizeof(unsigned long) so that set_bit() and test_bit() have sufficient room for read/write operations without overwriting unallocated memory. [1] Link: https://lore.kernel.org/all/ZkNcALr3W3KGYYJG@gmail.com/

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0081d2b3ae0a17a86b8cc0fa3c8bdc54e233ba16	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/18abb5db0aa9b2d48f7037a88b41af2eef821674	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/19649e49a6df07cd2e03e0a11396fd3a99485ec2	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/4254dfeda82f20844299dca6c38cbffcfd499f41	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/46bab2bcd771e725ff5ca3a68ba68cfeac45676c	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/521f333e644c4246ca04a4fc4772edc53dd2a801	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9079338c5a0d1f1fee34fb1c9e99b754efe414c5	Mailing List, Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/e9bce7c751f6d6c7be88c0bc081a66aaf61a23ee	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/0081d2b3ae0a17a86b8cc0fa3c8bdc54e233ba16	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/18abb5db0aa9b2d48f7037a88b41af2eef821674	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/19649e49a6df07cd2e03e0a11396fd3a99485ec2	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/4254dfeda82f20844299dca6c38cbffcfd499f41	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/46bab2bcd771e725ff5ca3a68ba68cfeac45676c	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/521f333e644c4246ca04a4fc4772edc53dd2a801	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/9079338c5a0d1f1fee34fb1c9e99b754efe414c5	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/e9bce7c751f6d6c7be88c0bc081a66aaf61a23ee	Mailing List, Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.10
linux	linux_kernel	6.10
linux	linux_kernel	6.10

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/mpt3sas/mpt3sas_base.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "e9bce7c751f6d6c7be88c0bc081a66aaf61a23ee",
              "status": "affected",
              "version": "c696f7b83edeac804e898952058089143f49ca0a",
              "versionType": "git"
            },
            {
              "lessThan": "19649e49a6df07cd2e03e0a11396fd3a99485ec2",
              "status": "affected",
              "version": "c696f7b83edeac804e898952058089143f49ca0a",
              "versionType": "git"
            },
            {
              "lessThan": "0081d2b3ae0a17a86b8cc0fa3c8bdc54e233ba16",
              "status": "affected",
              "version": "c696f7b83edeac804e898952058089143f49ca0a",
              "versionType": "git"
            },
            {
              "lessThan": "521f333e644c4246ca04a4fc4772edc53dd2a801",
              "status": "affected",
              "version": "c696f7b83edeac804e898952058089143f49ca0a",
              "versionType": "git"
            },
            {
              "lessThan": "46bab2bcd771e725ff5ca3a68ba68cfeac45676c",
              "status": "affected",
              "version": "c696f7b83edeac804e898952058089143f49ca0a",
              "versionType": "git"
            },
            {
              "lessThan": "9079338c5a0d1f1fee34fb1c9e99b754efe414c5",
              "status": "affected",
              "version": "c696f7b83edeac804e898952058089143f49ca0a",
              "versionType": "git"
            },
            {
              "lessThan": "18abb5db0aa9b2d48f7037a88b41af2eef821674",
              "status": "affected",
              "version": "c696f7b83edeac804e898952058089143f49ca0a",
              "versionType": "git"
            },
            {
              "lessThan": "4254dfeda82f20844299dca6c38cbffcfd499f41",
              "status": "affected",
              "version": "c696f7b83edeac804e898952058089143f49ca0a",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/mpt3sas/mpt3sas_base.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.10"
            },
            {
              "lessThan": "4.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.19.*",
              "status": "unaffected",
              "version": "4.19.317",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.279",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.221",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.162",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.95",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.35",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.9.*",
              "status": "unaffected",
              "version": "6.9.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.10",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C956CE1C-EE71-4F6D-8B4A-48997BE3F686",
              "versionEndExcluding": "4.19.317",
              "versionStartIncluding": "4.10",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F4E38E58-1B9F-4DF2-AD3D-A8BEAA2959D8",
              "versionEndExcluding": "5.4.279",
              "versionStartIncluding": "4.20",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "659E1520-6345-41AF-B893-A7C0647585A0",
              "versionEndExcluding": "5.10.221",
              "versionStartIncluding": "5.5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "10A39ACC-3005-40E8-875C-98A372D1FFD5",
              "versionEndExcluding": "5.15.162",
              "versionStartIncluding": "5.11",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D435765D-2766-44F5-B319-F713A13E35CE",
              "versionEndExcluding": "6.1.95",
              "versionStartIncluding": "5.16",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6F019D15-84C0-416B-8C57-7F51B68992F0",
              "versionEndExcluding": "6.6.35",
              "versionStartIncluding": "6.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0ABBBA1D-F79D-4BDB-AA41-D1EDCC4A6975",
              "versionEndExcluding": "6.9.6",
              "versionStartIncluding": "6.7",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "2EBB4392-5FA6-4DA9-9772-8F9C750109FA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "331C2F14-12C7-45D5-893D-8C52EE38EA10",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:*",
              "matchCriteriaId": "3173713D-909A-4DD3-9DD4-1E171EB057EE",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Avoid test/set_bit() operating in non-allocated memory\n\nThere is a potential out-of-bounds access when using test_bit() on a single\nword. The test_bit() and set_bit() functions operate on long values, and\nwhen testing or setting a single word, they can exceed the word\nboundary. KASAN detects this issue and produces a dump:\n\n\t BUG: KASAN: slab-out-of-bounds in _scsih_add_device.constprop.0 (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 drivers/scsi/mpt3sas/mpt3sas_scsih.c:7331) mpt3sas\n\n\t Write of size 8 at addr ffff8881d26e3c60 by task kworker/u1536:2/2965\n\nFor full log, please look at [1].\n\nMake the allocation at least the size of sizeof(unsigned long) so that\nset_bit() and test_bit() have sufficient room for read/write operations\nwithout overwriting unallocated memory.\n\n[1] Link: https://lore.kernel.org/all/ZkNcALr3W3KGYYJG@gmail.com/"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: mpt3sas: Evite que test/set_bit() opere en memoria no asignada. Existe un posible acceso fuera de los l\u00edmites cuando se usa test_bit() en una sola palabra. Las funciones test_bit() y set_bit() operan con valores largos y, al probar o configurar una sola palabra, pueden exceder el l\u00edmite de la palabra. KASAN detecta este problema y produce un volcado: ERROR: KASAN: slab-out-of-bounds in _scsih_add_device.constprop.0 (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/ bitops/instrumented-atomic.h:29 drivers/scsi/mpt3sas/mpt3sas_scsih.c:7331) mpt3sas Escritura de tama\u00f1o 8 en la direcci\u00f3n ffff8881d26e3c60 mediante tarea kworker/u1536:2/2965 Para obtener el registro completo, consulte [1]. Realice la asignaci\u00f3n al menos del tama\u00f1o de sizeof(unsigned long) para que set_bit() y test_bit() tengan suficiente espacio para operaciones de lectura/escritura sin sobrescribir la memoria no asignada. [1] Enlace: https://lore.kernel.org/all/ZkNcALr3W3KGYYJG@gmail.com/"
    }
  ],
  "id": "CVE-2024-40901",
  "lastModified": "2026-08-04T11:19:03.293",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "LOW",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.5,
        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
      },
      {
        "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": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-40901",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T17:06:31.349447Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-07-12T13:15:13.500",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/0081d2b3ae0a17a86b8cc0fa3c8bdc54e233ba16"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/18abb5db0aa9b2d48f7037a88b41af2eef821674"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/19649e49a6df07cd2e03e0a11396fd3a99485ec2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/4254dfeda82f20844299dca6c38cbffcfd499f41"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "url": "https://git.kernel.org/stable/c/46bab2bcd771e725ff5ca3a68ba68cfeac45676c"
    },
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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      "url": "https://git.kernel.org/stable/c/521f333e644c4246ca04a4fc4772edc53dd2a801"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/9079338c5a0d1f1fee34fb1c9e99b754efe414c5"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e9bce7c751f6d6c7be88c0bc081a66aaf61a23ee"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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        "Patch"
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      "url": "https://git.kernel.org/stable/c/0081d2b3ae0a17a86b8cc0fa3c8bdc54e233ba16"
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "https://git.kernel.org/stable/c/18abb5db0aa9b2d48f7037a88b41af2eef821674"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Patch"
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      "url": "https://git.kernel.org/stable/c/4254dfeda82f20844299dca6c38cbffcfd499f41"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/46bab2bcd771e725ff5ca3a68ba68cfeac45676c"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/521f333e644c4246ca04a4fc4772edc53dd2a801"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/9079338c5a0d1f1fee34fb1c9e99b754efe414c5"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/e9bce7c751f6d6c7be88c0bc081a66aaf61a23ee"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2024-40901 (GCVE-0-2024-40901)

Vulnerability from cvelistv5 – Published: 2024-07-12 12:20 – Updated: 2026-08-05 11:33

Title

scsi: mpt3sas: Avoid test/set_bit() operating in non-allocated memory

Summary

Severity

7.3 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-10 17:06 UTC

Assigner

Linux mitre root

References

9 references

URL	Tags
https://git.kernel.org/stable/c/e9bce7c751f6d6c7b…
https://git.kernel.org/stable/c/19649e49a6df07cd2…
https://git.kernel.org/stable/c/0081d2b3ae0a17a86…
https://git.kernel.org/stable/c/521f333e644c4246c…
https://git.kernel.org/stable/c/46bab2bcd771e725f…
https://git.kernel.org/stable/c/9079338c5a0d1f1fe…
https://git.kernel.org/stable/c/18abb5db0aa9b2d48…
https://git.kernel.org/stable/c/4254dfeda82f20844…
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: c696f7b83edeac804e898952058089143f49ca0a , < e9bce7c751f6d6c7be88c0bc081a66aaf61a23ee (git) Affected: c696f7b83edeac804e898952058089143f49ca0a , < 19649e49a6df07cd2e03e0a11396fd3a99485ec2 (git) Affected: c696f7b83edeac804e898952058089143f49ca0a , < 0081d2b3ae0a17a86b8cc0fa3c8bdc54e233ba16 (git) Affected: c696f7b83edeac804e898952058089143f49ca0a , < 521f333e644c4246ca04a4fc4772edc53dd2a801 (git) Affected: c696f7b83edeac804e898952058089143f49ca0a , < 46bab2bcd771e725ff5ca3a68ba68cfeac45676c (git) Affected: c696f7b83edeac804e898952058089143f49ca0a , < 9079338c5a0d1f1fee34fb1c9e99b754efe414c5 (git) Affected: c696f7b83edeac804e898952058089143f49ca0a , < 18abb5db0aa9b2d48f7037a88b41af2eef821674 (git) Affected: c696f7b83edeac804e898952058089143f49ca0a , < 4254dfeda82f20844299dca6c38cbffcfd499f41 (git)
Linux	Linux	Affected: 4.10 Unaffected: 0 , < 4.10 (semver) Unaffected: 4.19.317 , ≤ 4.19.* (semver) Unaffected: 5.4.279 , ≤ 5.4.* (semver) Unaffected: 5.10.221 , ≤ 5.10.* (semver) Unaffected: 5.15.162 , ≤ 5.15.* (semver) Unaffected: 6.1.95 , ≤ 6.1.* (semver) Unaffected: 6.6.35 , ≤ 6.6.* (semver) Unaffected: 6.9.6 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix)

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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
              "version": "4.10"
            },
            {
              "lessThan": "4.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
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            {
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              "status": "unaffected",
              "version": "4.19.317",
              "versionType": "semver"
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            {
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              "status": "unaffected",
              "version": "5.4.279",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
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              "versionType": "semver"
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              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.162",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.95",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.35",
              "versionType": "semver"
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              "version": "6.9.6",
              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.10",
              "versionType": "original_commit_for_fix"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: mpt3sas: Avoid test/set_bit() operating in non-allocated memory\n\nThere is a potential out-of-bounds access when using test_bit() on a single\nword. The test_bit() and set_bit() functions operate on long values, and\nwhen testing or setting a single word, they can exceed the word\nboundary. KASAN detects this issue and produces a dump:\n\n\t BUG: KASAN: slab-out-of-bounds in _scsih_add_device.constprop.0 (./arch/x86/include/asm/bitops.h:60 ./include/asm-generic/bitops/instrumented-atomic.h:29 drivers/scsi/mpt3sas/mpt3sas_scsih.c:7331) mpt3sas\n\n\t Write of size 8 at addr ffff8881d26e3c60 by task kworker/u1536:2/2965\n\nFor full log, please look at [1].\n\nMake the allocation at least the size of sizeof(unsigned long) so that\nset_bit() and test_bit() have sufficient room for read/write operations\nwithout overwriting unallocated memory.\n\n[1] Link: https://lore.kernel.org/all/ZkNcALr3W3KGYYJG@gmail.com/"
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            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The undersized bitmaps are per-HBA kernel objects touched by local device-discovery/reset work and by the `MPT3COMMAND` ioctl on `/dev/mpt3ctl`, which passes a user-supplied `device_handle` to `test_bit()`. Nothing here processes remote network data, so local access is required.\nAC:L - On any controller whose firmware reports a `MaxDevHandle` that is not a multiple of 64, the allocation is deterministically short and every device add/remove or handle-referencing ioctl performs the 8-byte read-modify-write past the requested allocation. No race, no memory-layout grooming, and no unpredictable system state is involved.\nPR:L - The driver performs no `capable()`/`CAP_SYS_RAWIO` check on any of these paths \u2014 reachability is governed solely by device-node policy, and appliance, storage-management and container deployments routinely hand `/dev/mpt3ctl` or HBA-attached block devices to a non-root storage group. The OOB write side itself occurs in automatic discovery work that needs no privilege at all, so low privileges are the ceiling of what an attacker needs.\nUI:N - Device discovery, hotplug handling and controller reset run autonomously in the driver\u0027s firmware-event workqueue, and the ioctl path is a plain syscall. No victim action of any kind is required.\nS:U - The out-of-bounds access corrupts kernel slab memory from within kernel context; there is no crossing of a VM, IOMMU, or sandbox boundary.\nC:L - `test_bit()` reads an 8-byte word that extends past the allocation, but the overread is strictly bounded to at most 7 adjacent bytes and only the in-bounds bit is consumed, so no meaningful memory contents are returned to the attacker.\nI:H - This is an out-of-bounds write \u2014 KASAN reports `Write of size 8` past the slab allocation from `_scsih_add_device` \u2014 and the atomic RMW spans neighbouring heap bytes, which can clobber a concurrent non-atomic update to adjacent slab memory. Per the out-of-bounds-write classification this is scored High.\nA:H - The trailing word access crosses the object boundary, which faults into the guard page under KFENCE (enabled by default in mainstream distro and Android kernels) and raises a slab-out-of-bounds BUG under KASAN or SLUB redzoning, producing an oops or, with `panic_on_warn`, a full kernel panic."
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-40901",
    "datePublished": "2024-07-12T12:20:42.859Z",
    "dateReserved": "2024-07-12T12:17:45.579Z",
    "dateUpdated": "2026-08-05T11:33:53.488Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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FKIE_CVE-2024-40901

CVE-2024-40901 (GCVE-0-2024-40901)

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