Vulnerability-Lookup

FKIE_CVE-2024-53109

Vulnerability from fkie_nvd - Published: 2024-12-02 14:15 - Updated: 2026-08-04 11:21

Severity

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

Summary

In the Linux kernel, the following vulnerability has been resolved: nommu: pass NULL argument to vma_iter_prealloc() When deleting a vma entry from a maple tree, it has to pass NULL to vma_iter_prealloc() in order to calculate internal state of the tree, but it passed a wrong argument. As a result, nommu kernels crashed upon accessing a vma iterator, such as acct_collect() reading the size of vma entries after do_munmap(). This commit fixes this issue by passing a right argument to the preallocation call.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/247d720b2c5d22f7281437fd6054a138256986ba	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8bbf0ab631cdf1dade6745f137cff98751e6ced7	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/aceaf33b7666b72dfb86e0aa977be81e3bcbc727	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.12
linux	linux_kernel	6.12
linux	linux_kernel	6.12
linux	linux_kernel	6.12
linux	linux_kernel	6.12
linux	linux_kernel	6.12
linux	linux_kernel	6.12

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "mm/nommu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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              "versionType": "git"
            },
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              "versionType": "git"
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          ]
        },
        {
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          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.6"
            },
            {
              "lessThan": "6.6",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.6.63",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.11.*",
              "status": "unaffected",
              "version": "6.11.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.12",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
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      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnommu: pass NULL argument to vma_iter_prealloc()\n\nWhen deleting a vma entry from a maple tree, it has to pass NULL to\nvma_iter_prealloc() in order to calculate internal state of the tree, but\nit passed a wrong argument.  As a result, nommu kernels crashed upon\naccessing a vma iterator, such as acct_collect() reading the size of vma\nentries after do_munmap().\n\nThis commit fixes this issue by passing a right argument to the\npreallocation call."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nommu: pasar argumento NULL a vma_iter_prealloc(). Al eliminar una entrada vma de un \u00e1rbol maple, tiene que pasar NULL a vma_iter_prealloc() para calcular el estado interno del \u00e1rbol, pero pas\u00f3 un argumento incorrecto. Como resultado, los kernels nommu fallaban al acceder a un iterador vma, como acct_collect() que lee el tama\u00f1o de las entradas vma despu\u00e9s de do_munmap(). Esta confirmaci\u00f3n corrige este problema al pasar un argumento correcto a la llamada de preasignaci\u00f3n."
    }
  ],
  "id": "CVE-2024-53109",
  "lastModified": "2026-08-04T11:21:54.497",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
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        "type": "Secondary"
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          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
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        "source": "nvd@nist.gov",
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          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
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        "ssvcData": {
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          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
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            }
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          "role": "CISA Coordinator",
          "timestamp": "2025-10-01T20:10:44.376950Z",
          "version": "2.0.3"
        }
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  },
  "published": "2024-12-02T14:15:11.713",
  "references": [
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
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    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2024-53109 (GCVE-0-2024-53109)

Vulnerability from cvelistv5 – Published: 2024-12-02 13:44 – Updated: 2026-08-05 11:43

Title

nommu: pass NULL argument to vma_iter_prealloc()

Summary

Severity

7.8 (High)


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

5.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-01 20:10 UTC

CWE

CWE-noinfo Not enough information

Assigner

Linux mitre root

References

3 references

URL	Tags
https://git.kernel.org/stable/c/8bbf0ab631cdf1dad…
https://git.kernel.org/stable/c/aceaf33b7666b72df…
https://git.kernel.org/stable/c/247d720b2c5d22f72…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: b5df09226450165c434084d346fcb6d4858b0d52 , < 8bbf0ab631cdf1dade6745f137cff98751e6ced7 (git) Affected: b5df09226450165c434084d346fcb6d4858b0d52 , < aceaf33b7666b72dfb86e0aa977be81e3bcbc727 (git) Affected: b5df09226450165c434084d346fcb6d4858b0d52 , < 247d720b2c5d22f7281437fd6054a138256986ba (git)
Linux	Linux	Affected: 6.6 Unaffected: 0 , < 6.6 (semver) Unaffected: 6.6.63 , ≤ 6.6.* (semver) Unaffected: 6.11.10 , ≤ 6.11.* (semver) Unaffected: 6.12 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-53109",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T20:10:44.376950Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "description": "CWE-noinfo Not enough information",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-01T20:17:11.504Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "mm/nommu.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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              "versionType": "git"
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              "versionType": "git"
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        },
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          "programFiles": [
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          "versions": [
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              "version": "6.6"
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              "status": "unaffected",
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            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.12",
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        }
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        }
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          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The vulnerable code is reached through the munmap(2) syscall (vm_munmap \u2192 do_munmap \u2192 delete_vma_from_mm) and unconditionally via exit_mmap() on process exit, requiring local execution on the target. There is no network-facing path into mm/nommu.c.\nAC:L - On a NOMMU kernel the wrong store type is computed deterministically on every whole-VMA unmap, and because NOMMU VMAs are separated by NULL gap slots the invariant-breaking adjacent-NULL condition is produced essentially every time; the attacker fully controls VMA layout via mmap/munmap and needs no race or unpredictable memory state.\nPR:L - Any unprivileged local user can call mmap()/munmap() and exit a process; no capability, namespace, or filesystem permission is checked anywhere along the path.\nUI:N - The attacker triggers the corruption entirely within its own process by unmapping its own mappings, and the crash/OOB traversal occurs in that same process\u0027s context. No victim action is required.\nS:U - The corruption is confined to the kernel\u0027s own mm_struct maple tree and is exploited within the kernel\u0027s security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - mas_next_slot() walks past the end of the 256-byte maple node reading adjacent slab memory as slots/pivots, an unbounded out-of-bounds read whose values are returned as a VMA pointer and then dereferenced; leaked kernel heap contents surface to userspace through vma-iterator consumers such as acct_collect()\u0027s vsize accounting and /proc-based VMA reporting.\nI:H - The out-of-bounds-derived pointer is used as a struct vm_area_struct in exit_mmap()\u0027s delete_vma() path, giving an indirect call through vma-\u003evm_ops-\u003eclose, a refcount decrement via fput(vma-\u003evm_file), and a slab free via vm_area_free() on an attacker-influenced address \u2014 a control-flow hijack and arbitrary-free primitive, on top of the persistent maple-tree gap/metadata corruption.\nA:H - The commit explicitly documents that NOMMU kernels crash on any vma-iterator access after do_munmap(); the corruption is permanent for the mm and reliably reproducible, so an unprivileged process can panic the kernel at will."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-05T11:43:47.659Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
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          "url": "https://git.kernel.org/stable/c/8bbf0ab631cdf1dade6745f137cff98751e6ced7"
        },
        {
          "url": "https://git.kernel.org/stable/c/aceaf33b7666b72dfb86e0aa977be81e3bcbc727"
        },
        {
          "url": "https://git.kernel.org/stable/c/247d720b2c5d22f7281437fd6054a138256986ba"
        }
      ],
      "title": "nommu: pass NULL argument to vma_iter_prealloc()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-53109",
    "datePublished": "2024-12-02T13:44:41.622Z",
    "dateReserved": "2024-11-19T17:17:24.993Z",
    "dateUpdated": "2026-08-05T11:43:47.659Z",
    "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.

Detection rules are retrieved from Rulezet.

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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.