FKIE_CVE-2024-42075

Vulnerability from fkie_nvd - Published: 2024-07-29 16:15 - Updated: 2024-11-21 09:33
Severity ?
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: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arena_vm_close.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/87496a1b01e8e2e399428c0db25e106f7961d01ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b90d77e5fd784ada62ddd714d15ee2400c28e1cfPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/87496a1b01e8e2e399428c0db25e106f7961d01ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b90d77e5fd784ada62ddd714d15ee2400c28e1cfPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "18FE1EAE-C36C-49FC-A5E0-0A661CDC561E",
              "versionEndExcluding": "6.9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1557DCF8-46D3-4910-8B19-5C77412AB681",
              "versionEndExcluding": "6.9.8",
              "versionStartIncluding": "6.9.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Fix remap of arena.\n\nThe bpf arena logic didn\u0027t account for mremap operation. Add a refcnt for\nmultiple mmap events to prevent use-after-free in arena_vm_close."
    },
    {
      "lang": "es",
      "value": " En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: bpf: Se corrigi\u00f3 la reasignaci\u00f3n de arena. La l\u00f3gica de bpf arena no tuvo en cuenta la operaci\u00f3n de mremap. Agregue un refcnt para m\u00faltiples eventos mmap para evitar el uso despu\u00e9s de la liberaci\u00f3n en arena_vm_close."
    }
  ],
  "id": "CVE-2024-42075",
  "lastModified": "2024-11-21T09:33:32.477",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "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"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2024-07-29T16:15:06.900",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/87496a1b01e8e2e399428c0db25e106f7961d01e"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/b90d77e5fd784ada62ddd714d15ee2400c28e1cf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/87496a1b01e8e2e399428c0db25e106f7961d01e"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/b90d77e5fd784ada62ddd714d15ee2400c28e1cf"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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