{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nubifs: Fix races between xattr_{set|get} and listxattr operations\n\nUBIFS may occur some problems with concurrent xattr_{set|get} and\nlistxattr operations, such as assertion failure, memory corruption,\nstale xattr value[1].\n\nFix it by importing a new rw-lock in @ubifs_inode to serilize write\noperations on xattr, concurrent read operations are still effective,\njust like ext4.\n\n[1] https://lore.kernel.org/linux-mtd/20200630130438.141649-1-houtao1@huawei.com"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/ubifs/super.c",
                  "fs/ubifs/ubifs.h",
                  "fs/ubifs/xattr.c"
               ],
               "versions": [
                  {
                     "version": "1e51764a3c2a",
                     "lessThan": "7adc05b73d91",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1e51764a3c2a",
                     "lessThan": "38dde03eb239",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1e51764a3c2a",
                     "lessThan": "9558612cb829",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1e51764a3c2a",
                     "lessThan": "c0756f75c221",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1e51764a3c2a",
                     "lessThan": "f4e3634a3b64",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/ubifs/super.c",
                  "fs/ubifs/ubifs.h",
                  "fs/ubifs/xattr.c"
               ],
               "versions": [
                  {
                     "version": "2.6.27",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "2.6.27",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.133",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.51",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.12.18",
                     "lessThanOrEqual": "5.12.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.13.3",
                     "lessThanOrEqual": "5.13.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.14",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/7adc05b73d91a5e3d4ca7714fa53ad9b70c53d08"
            },
            {
               "url": "https://git.kernel.org/stable/c/38dde03eb239605f428f3f1e4baa73d4933a4cc6"
            },
            {
               "url": "https://git.kernel.org/stable/c/9558612cb829f2c022b788f55d6b8437d5234a82"
            },
            {
               "url": "https://git.kernel.org/stable/c/c0756f75c22149d20fcb7d8409827cee905eb386"
            },
            {
               "url": "https://git.kernel.org/stable/c/f4e3634a3b642225a530c292fdb1e8a4007507f5"
            }
         ],
         "title": "ubifs: Fix races between xattr_{set|get} and listxattr operations",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47351",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}