FKIE_CVE-2024-26988

Vulnerability from fkie_nvd - Published: 2024-05-01 06:15 - Updated: 2026-06-17 07:18
Severity
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: init/main.c: Fix potential static_command_line memory overflow We allocate memory of size 'xlen + strlen(boot_command_line) + 1' for static_command_line, but the strings copied into static_command_line are extra_command_line and command_line, rather than extra_command_line and boot_command_line. When strlen(command_line) > strlen(boot_command_line), static_command_line will overflow. This patch just recovers strlen(command_line) which was miss-consolidated with strlen(boot_command_line) in the commit f5c7310ac73e ("init/main: add checks for the return value of memblock_alloc*()")
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0dc727a4e05400205358a22c3d01ccad2c8e1fe4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2ef607ea103616aec0289f1b65d103d499fa903aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/46dad3c1e57897ab9228332f03e1c14798d2d3b9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/76c2f4d426a5358fced5d5990744d46f10a4cceaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/81cf85ae4f2dd5fa3e43021782aa72c4c85558e8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/936a02b5a9630c5beb0353c3085cc49d86c57034Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0dc727a4e05400205358a22c3d01ccad2c8e1fe4Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2ef607ea103616aec0289f1b65d103d499fa903aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/46dad3c1e57897ab9228332f03e1c14798d2d3b9Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/76c2f4d426a5358fced5d5990744d46f10a4cceaPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/81cf85ae4f2dd5fa3e43021782aa72c4c85558e8Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/936a02b5a9630c5beb0353c3085cc49d86c57034Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCBZZEC7L7KTWWAS2NLJK6SO3IZIL4WW/Mailing List, Third Party Advisory
0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-265688.html
0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-613116.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
linux linux_kernel 6.9
debian debian_linux 10.0
fedoraproject fedora 38
fedoraproject fedora 39
fedoraproject fedora 40
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ninit/main.c: Fix potential static_command_line memory overflow\n\nWe allocate memory of size \u0027xlen + strlen(boot_command_line) + 1\u0027 for\nstatic_command_line, but the strings copied into static_command_line are\nextra_command_line and command_line, rather than extra_command_line and\nboot_command_line.\n\nWhen strlen(command_line) \u003e strlen(boot_command_line), static_command_line\nwill overflow.\n\nThis patch just recovers strlen(command_line) which was miss-consolidated\nwith strlen(boot_command_line) in the commit f5c7310ac73e (\"init/main: add\nchecks for the return value of memblock_alloc*()\")"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: init/main.c: soluciona un posible desbordamiento de memoria de static_command_line Asignamos memoria de tama\u00f1o \u0027xlen + strlen(boot_command_line) + 1\u0027 para static_command_line, pero las cadenas copiadas en static_command_line son extra_command_line y command_line, en lugar de extra_command_line y boot_command_line. Cuando strlen(command_line) \u0026gt; strlen(boot_command_line), static_command_line se desbordar\u00e1. Este parche simplemente recupera strlen(command_line) que no se consolid\u00f3 con strlen(boot_command_line) en el commit f5c7310ac73e (\"init/main: agregue comprobaciones para el valor de retorno de memblock_alloc*()\")"
    }
  ],
  "id": "CVE-2024-26988",
  "lastModified": "2026-06-17T07:18:52.300",
  "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": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
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        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-26988",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T15:44:56.344439Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-05-01T06:15:16.420",
  "references": [
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    },
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    },
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    },
    {
      "source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
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  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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.

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