{
  "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",
          "versions": [
            {
              "lessThan": "9edf20e5a1d805855e78f241cf221d741b50d482",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "c50ec15725e005e9fb20bce69b6c23b135a4a9b7",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "4c10c854113720cbfe75d4f51db79b700a629e73",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            },
            {
              "lessThan": "43d2748394c3feb86c0c771466f5847e274fc043",
              "status": "affected",
              "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "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": [
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.154",
              "versionType": "semver"
            },
            {
              "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"
            }
          ]
        }
      ],
      "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": "2025-05-01T14:10:31.286Z",
        "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-1.1.0"
      }
    }
  },
  "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": "2025-05-01T14:10:31.286Z",
    "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\":\"2025-05-01T15:16:13.480\",\"vulnStatus\":\"Received\",\"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 ]\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/43d2748394c3feb86c0c771466f5847e274fc043\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4c10c854113720cbfe75d4f51db79b700a629e73\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9edf20e5a1d805855e78f241cf221d741b50d482\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c50ec15725e005e9fb20bce69b6c23b135a4a9b7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}