cve-2024-42242
Vulnerability from cvelistv5
Published
2024-08-07 15:14
Modified
2024-12-19 09:14
Severity ?
Summary
mmc: sdhci: Fix max_seg_size for 64KiB PAGE_SIZE
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/63d20a94f24fc1cbaf44d0e7c0e0a8077fde0aefPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bf78b1accef46efd9b624967cb74ae8d3c215a2bPatch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

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                "id": "CVE-2024-42242",
                "options": [
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                    "Exploitation": "none"
                  },
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                    "Automatable": "no"
                  },
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                    "Technical Impact": "partial"
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                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T16:13:44.630939Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "product": "Linux",
          "programFiles": [
            "drivers/mmc/host/sdhci.c"
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: sdhci: Fix max_seg_size for 64KiB PAGE_SIZE\n\nblk_queue_max_segment_size() ensured:\n\n\tif (max_size \u003c PAGE_SIZE)\n\t\tmax_size = PAGE_SIZE;\n\nwhereas:\n\nblk_validate_limits() makes it an error:\n\n\tif (WARN_ON_ONCE(lim-\u003emax_segment_size \u003c PAGE_SIZE))\n\t\treturn -EINVAL;\n\nThe change from one to the other, exposed sdhci which was setting maximum\nsegment size too low in some circumstances.\n\nFix the maximum segment size when it is too low."
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        "dateUpdated": "2024-12-19T09:14:42.301Z",
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          "url": "https://git.kernel.org/stable/c/63d20a94f24fc1cbaf44d0e7c0e0a8077fde0aef"
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      "title": "mmc: sdhci: Fix max_seg_size for 64KiB PAGE_SIZE",
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-42242",
    "datePublished": "2024-08-07T15:14:29.122Z",
    "dateReserved": "2024-07-30T07:40:12.254Z",
    "dateUpdated": "2024-12-19T09:14:42.301Z",
    "state": "PUBLISHED"
  },
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-42242\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-08-07T16:15:47.013\",\"lastModified\":\"2024-08-08T14:53:42.797\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmmc: sdhci: Fix max_seg_size for 64KiB PAGE_SIZE\\n\\nblk_queue_max_segment_size() ensured:\\n\\n\\tif (max_size \u003c PAGE_SIZE)\\n\\t\\tmax_size = PAGE_SIZE;\\n\\nwhereas:\\n\\nblk_validate_limits() makes it an error:\\n\\n\\tif (WARN_ON_ONCE(lim-\u003emax_segment_size \u003c PAGE_SIZE))\\n\\t\\treturn -EINVAL;\\n\\nThe change from one to the other, exposed sdhci which was setting maximum\\nsegment size too low in some circumstances.\\n\\nFix the maximum segment size when it is too low.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mmc: sdhci: Correcci\u00f3n max_seg_size para 64KiB PAGE_SIZE blk_queue_max_segment_size() asegurado: if (max_size \u0026lt; PAGE_SIZE) max_size = PAGE_SIZE; mientras que: blk_validate_limits() lo convierte en un error: if (WARN_ON_ONCE(lim-\u0026gt;max_segment_size \u0026lt; PAGE_SIZE)) return -EINVAL; El cambio de uno a otro expuso a sdhci, que estaba estableciendo un tama\u00f1o de segmento m\u00e1ximo demasiado bajo en algunas circunstancias. Fije el tama\u00f1o m\u00e1ximo del segmento cuando sea demasiado bajo.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-770\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.9\",\"versionEndExcluding\":\"6.9.10\",\"matchCriteriaId\":\"0F5C3789-472B-40EC-9D2A-48169EDB592B\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/63d20a94f24fc1cbaf44d0e7c0e0a8077fde0aef\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bf78b1accef46efd9b624967cb74ae8d3c215a2b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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