FKIE_CVE-2024-40963

Vulnerability from fkie_nvd - Published: 2024-07-12 13:15 - Updated: 2026-06-17 07:46
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: mips: bmips: BCM6358: make sure CBR is correctly set It was discovered that some device have CBR address set to 0 causing kernel panic when arch_sync_dma_for_cpu_all is called. This was notice in situation where the system is booted from TP1 and BMIPS_GET_CBR() returns 0 instead of a valid address and !!(read_c0_brcm_cmt_local() & (1 << 31)); not failing. The current check whether RAC flush should be disabled or not are not enough hence lets check if CBR is a valid address or not.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/10afe5f7d30f6fe50c2b1177549d0e04921fc373Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2cd4854ef14a487bcfb76c7980675980cad27b52Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/36d771ce6028b886e18a4a8956a5d23688e4e13dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6c0f6ccd939166f56a904c792d7fcadae43b9085Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/89167072fd249e5f23ae2f8093f87da5925cef27Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ce5cdd3b05216b704a704f466fb4c2dff3778cafPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/da895fd6da438af8d9326b8f02d715a9c76c3b5bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/10afe5f7d30f6fe50c2b1177549d0e04921fc373Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2cd4854ef14a487bcfb76c7980675980cad27b52Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/36d771ce6028b886e18a4a8956a5d23688e4e13dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6c0f6ccd939166f56a904c792d7fcadae43b9085Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/89167072fd249e5f23ae2f8093f87da5925cef27Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ce5cdd3b05216b704a704f466fb4c2dff3778cafPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/da895fd6da438af8d9326b8f02d715a9c76c3b5bPatch
af854a3a-2127-422b-91ae-364da2661108https://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 6.3
linux linux_kernel 6.3
linux linux_kernel 6.3
linux linux_kernel 6.3
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
linux linux_kernel 6.10
To clipboard 

{
  "affected": [
    {
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          "product": "Linux",
          "programFiles": [
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        },
        {
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          "product": "Linux",
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          "vendor": "Linux",
          "versions": [
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              "version": "6.3"
            },
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              "status": "unaffected",
              "version": "0",
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            },
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              "status": "unaffected",
              "version": "5.4.279",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "5.10.221",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "5.15.162",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.96",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.36",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.9.*",
              "status": "unaffected",
              "version": "6.9.7",
              "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": "5CA488B8-C91C-4ABB-9BB8-106606B15F62",
              "versionEndExcluding": "5.4.279",
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            },
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            {
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            },
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              "matchCriteriaId": "B1240A34-749A-49F5-B8DD-C09441AD2228",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "2EBB4392-5FA6-4DA9-9772-8F9C750109FA",
              "vulnerable": true
            },
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              "vulnerable": true
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          "negate": false,
          "operator": "OR"
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      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmips: bmips: BCM6358: make sure CBR is correctly set\n\nIt was discovered that some device have CBR address set to 0 causing\nkernel panic when arch_sync_dma_for_cpu_all is called.\n\nThis was notice in situation where the system is booted from TP1 and\nBMIPS_GET_CBR() returns 0 instead of a valid address and\n!!(read_c0_brcm_cmt_local() \u0026 (1 \u003c\u003c 31)); not failing.\n\nThe current check whether RAC flush should be disabled or not are not\nenough hence lets check if CBR is a valid address or not."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: mips: bmips: BCM6358: aseg\u00farese de que CBR est\u00e9 configurado correctamente. Se descubri\u00f3 que algunos dispositivos tienen la direcci\u00f3n CBR configurada en 0, lo que provoca p\u00e1nico en el kernel cuando se llama a arch_sync_dma_for_cpu_all. Esto se not\u00f3 en una situaci\u00f3n en la que el sistema se inicia desde TP1 y BMIPS_GET_CBR() devuelve 0 en lugar de una direcci\u00f3n v\u00e1lida y !!(read_c0_brcm_cmt_local() \u0026amp; (1 \u0026lt;\u0026lt; 31)); no fallar. La verificaci\u00f3n actual de si la descarga de RAC debe desactivarse o no no es suficiente, por lo tanto, verifiquemos si CBR es una direcci\u00f3n v\u00e1lida o no."
    }
  ],
  "id": "CVE-2024-40963",
  "lastModified": "2026-06-17T07:46:58.377",
  "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"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-40963",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T17:03:19.862197Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-07-12T13:15:18.243",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/10afe5f7d30f6fe50c2b1177549d0e04921fc373"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/2cd4854ef14a487bcfb76c7980675980cad27b52"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/36d771ce6028b886e18a4a8956a5d23688e4e13d"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/6c0f6ccd939166f56a904c792d7fcadae43b9085"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      ],
      "url": "https://git.kernel.org/stable/c/89167072fd249e5f23ae2f8093f87da5925cef27"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ce5cdd3b05216b704a704f466fb4c2dff3778caf"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/da895fd6da438af8d9326b8f02d715a9c76c3b5b"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/10afe5f7d30f6fe50c2b1177549d0e04921fc373"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/2cd4854ef14a487bcfb76c7980675980cad27b52"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/36d771ce6028b886e18a4a8956a5d23688e4e13d"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/6c0f6ccd939166f56a904c792d7fcadae43b9085"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/89167072fd249e5f23ae2f8093f87da5925cef27"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/ce5cdd3b05216b704a704f466fb4c2dff3778caf"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/da895fd6da438af8d9326b8f02d715a9c76c3b5b"
    },
    {
      "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-754"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.