{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndmaengine: idxd: fix wq size store permission state\n\nWQ size can only be changed when the device is disabled. Current code\nallows change when device is enabled but wq is disabled. Change the check\nto detect device state."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/dma/idxd/sysfs.c"
               ],
               "versions": [
                  {
                     "version": "c52ca478233c",
                     "lessThan": "4ecf25595273",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c52ca478233c",
                     "lessThan": "05b7791c4c4a",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c52ca478233c",
                     "lessThan": "0fff71c5a311",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/dma/idxd/sysfs.c"
               ],
               "versions": [
                  {
                     "version": "5.6",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.6",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.32",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.11.16",
                     "lessThanOrEqual": "5.11.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.12",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/4ecf25595273203010bc8318c4aee60ad64037ae"
            },
            {
               "url": "https://git.kernel.org/stable/c/05b7791c4c4aa8304368fdc55ae911f6b34e7281"
            },
            {
               "url": "https://git.kernel.org/stable/c/0fff71c5a311e1264988179f7dcc217fda15fadd"
            }
         ],
         "title": "dmaengine: idxd: fix wq size store permission state",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-46919",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}