{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/acpi/apei/ghes.c",
            "include/acpi/ghes.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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        {
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          "product": "Linux",
          "programFiles": [
            "drivers/acpi/apei/ghes.c",
            "include/acpi/ghes.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.1"
            },
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              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.154",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.78",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.0.*",
              "status": "unaffected",
              "version": "6.0.8",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.154",
                  "versionStartIncluding": "5.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                },
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                },
                {
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: APEI: Fix integer overflow in ghes_estatus_pool_init()\n\nChange num_ghes from int to unsigned int, preventing an overflow\nand causing subsequent vmalloc() to fail.\n\nThe overflow happens in ghes_estatus_pool_init() when calculating\nlen during execution of the statement below as both multiplication\noperands here are signed int:\n\nlen += (num_ghes * GHES_ESOURCE_PREALLOC_MAX_SIZE);\n\nThe following call trace is observed because of this bug:\n\n[    9.317108] swapper/0: vmalloc error: size 18446744071562596352, exceeds total pages, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0-1\n[    9.317131] Call Trace:\n[    9.317134]  \u003cTASK\u003e\n[    9.317137]  dump_stack_lvl+0x49/0x5f\n[    9.317145]  dump_stack+0x10/0x12\n[    9.317146]  warn_alloc.cold+0x7b/0xdf\n[    9.317150]  ? __device_attach+0x16a/0x1b0\n[    9.317155]  __vmalloc_node_range+0x702/0x740\n[    9.317160]  ? device_add+0x17f/0x920\n[    9.317164]  ? dev_set_name+0x53/0x70\n[    9.317166]  ? platform_device_add+0xf9/0x240\n[    9.317168]  __vmalloc_node+0x49/0x50\n[    9.317170]  ? ghes_estatus_pool_init+0x43/0xa0\n[    9.317176]  vmalloc+0x21/0x30\n[    9.317177]  ghes_estatus_pool_init+0x43/0xa0\n[    9.317179]  acpi_hest_init+0x129/0x19c\n[    9.317185]  acpi_init+0x434/0x4a4\n[    9.317188]  ? acpi_sleep_proc_init+0x2a/0x2a\n[    9.317190]  do_one_initcall+0x48/0x200\n[    9.317195]  kernel_init_freeable+0x221/0x284\n[    9.317200]  ? rest_init+0xe0/0xe0\n[    9.317204]  kernel_init+0x1a/0x130\n[    9.317205]  ret_from_fork+0x22/0x30\n[    9.317208]  \u003c/TASK\u003e\n\n[ rjw: Subject and changelog edits ]"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-19T12:56:25.577Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/9edf20e5a1d805855e78f241cf221d741b50d482"
        },
        {
          "url": "https://git.kernel.org/stable/c/c50ec15725e005e9fb20bce69b6c23b135a4a9b7"
        },
        {
          "url": "https://git.kernel.org/stable/c/4c10c854113720cbfe75d4f51db79b700a629e73"
        },
        {
          "url": "https://git.kernel.org/stable/c/43d2748394c3feb86c0c771466f5847e274fc043"
        }
      ],
      "title": "ACPI: APEI: Fix integer overflow in ghes_estatus_pool_init()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-49885",
    "datePublished": "2025-05-01T14:10:31.286Z",
    "dateReserved": "2025-05-01T14:05:17.241Z",
    "dateUpdated": "2025-06-19T12:56:25.577Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-49885\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T15:16:13.480\",\"lastModified\":\"2025-05-07T13:21:04.487\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nACPI: APEI: Fix integer overflow in ghes_estatus_pool_init()\\n\\nChange num_ghes from int to unsigned int, preventing an overflow\\nand causing subsequent vmalloc() to fail.\\n\\nThe overflow happens in ghes_estatus_pool_init() when calculating\\nlen during execution of the statement below as both multiplication\\noperands here are signed int:\\n\\nlen += (num_ghes * GHES_ESOURCE_PREALLOC_MAX_SIZE);\\n\\nThe following call trace is observed because of this bug:\\n\\n[    9.317108] swapper/0: vmalloc error: size 18446744071562596352, exceeds total pages, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=/,mems_allowed=0-1\\n[    9.317131] Call Trace:\\n[    9.317134]  \u003cTASK\u003e\\n[    9.317137]  dump_stack_lvl+0x49/0x5f\\n[    9.317145]  dump_stack+0x10/0x12\\n[    9.317146]  warn_alloc.cold+0x7b/0xdf\\n[    9.317150]  ? __device_attach+0x16a/0x1b0\\n[    9.317155]  __vmalloc_node_range+0x702/0x740\\n[    9.317160]  ? device_add+0x17f/0x920\\n[    9.317164]  ? dev_set_name+0x53/0x70\\n[    9.317166]  ? platform_device_add+0xf9/0x240\\n[    9.317168]  __vmalloc_node+0x49/0x50\\n[    9.317170]  ? ghes_estatus_pool_init+0x43/0xa0\\n[    9.317176]  vmalloc+0x21/0x30\\n[    9.317177]  ghes_estatus_pool_init+0x43/0xa0\\n[    9.317179]  acpi_hest_init+0x129/0x19c\\n[    9.317185]  acpi_init+0x434/0x4a4\\n[    9.317188]  ? acpi_sleep_proc_init+0x2a/0x2a\\n[    9.317190]  do_one_initcall+0x48/0x200\\n[    9.317195]  kernel_init_freeable+0x221/0x284\\n[    9.317200]  ? rest_init+0xe0/0xe0\\n[    9.317204]  kernel_init+0x1a/0x130\\n[    9.317205]  ret_from_fork+0x22/0x30\\n[    9.317208]  \u003c/TASK\u003e\\n\\n[ rjw: Subject and changelog edits ]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ACPI: APEI: Se corrige el desbordamiento de enteros en ghes_estatus_pool_init(). Se cambia num_ghes de int a unsigned int, lo que evita un desbordamiento y provoca el fallo de vmalloc(). El desbordamiento ocurre en ghes_estatus_pool_init() al calcular len durante la ejecuci\u00f3n de la siguiente instrucci\u00f3n, ya que ambos operandos de multiplicaci\u00f3n son int con signo: len += (num_ghes * GHES_ESOURCE_PREALLOC_MAX_SIZE); El siguiente seguimiento de llamadas se observa debido a este error: [ 9.317108] swapper/0: error de vmalloc: tama\u00f1o 18446744071562596352, excede el total de p\u00e1ginas, modo: 0xcc0 (GFP_KERNEL), nodemask = (null), cpuset = /, mems_allowed = 0-1 [ 9.317131] Seguimiento de llamadas: [ 9.317134]  [ 9.317137] dump_stack_lvl + 0x49/0x5f [ 9.317145] dump_stack + 0x10/0x12 [ 9.317146] warn_alloc.cold + 0x7b/0xdf [ 9.317150] ? __adjunto_dispositivo+0x16a/0x1b0 [ 9.317155] __rango_nodo_vmalloc+0x702/0x740 [ 9.317160] ? agregado_dispositivo+0x17f/0x920 [ 9.317164] ? nombre_conjunto_dispositivo+0x53/0x70 [ 9.317166] ? agregado_dispositivo_plataforma+0xf9/0x240 [ 9.317168] __nodo_vmalloc+0x49/0x50 [ 9.317170] ? ghes_estatus_pool_init+0x43/0xa0 [ 9.317176] vmalloc+0x21/0x30 [ 9.317177] ghes_estatus_pool_init+0x43/0xa0 [ 9.317179] acpi_hest_init+0x129/0x19c [ 9.317185] acpi_init+0x434/0x4a4 [9.317188]? acpi_sleep_proc_init+0x2a/0x2a [9.317190] do_one_initcall+0x48/0x200 [9.317195] kernel_init_freeable+0x221/0x284 [9.317200] ? rest_init+0xe0/0xe0 [ 9.317204] kernel_init+0x1a/0x130 [ 9.317205] ret_from_fork+0x22/0x30 [ 9.317208]  [ rjw: Asunto y ediciones del registro de cambios ]\"}],\"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\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-190\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.10.154\",\"matchCriteriaId\":\"FA1EA5DB-DA69-40A9-9060-30F90C4DF51E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.78\",\"matchCriteriaId\":\"AB8B27B9-B41B-42D5-AE67-0A89A8A8EEB1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.0.8\",\"matchCriteriaId\":\"EC9A754E-625D-42F3-87A7-960D643E2867\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"E7E331DA-1FB0-4DEC-91AC-7DA69D461C11\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/43d2748394c3feb86c0c771466f5847e274fc043\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4c10c854113720cbfe75d4f51db79b700a629e73\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9edf20e5a1d805855e78f241cf221d741b50d482\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c50ec15725e005e9fb20bce69b6c23b135a4a9b7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
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}