{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnilfs2: fix potential oob read in nilfs_btree_check_delete()\n\nThe function nilfs_btree_check_delete(), which checks whether degeneration\nto direct mapping occurs before deleting a b-tree entry, causes memory\naccess outside the block buffer when retrieving the maximum key if the\nroot node has no entries.\n\nThis does not usually happen because b-tree mappings with 0 child nodes\nare never created by mkfs.nilfs2 or nilfs2 itself.  However, it can happen\nif the b-tree root node read from a device is configured that way, so fix\nthis potential issue by adding a check for that case."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/nilfs2/btree.c"
               ],
               "versions": [
                  {
                     "version": "17c76b0104e4",
                     "lessThan": "d20674f31626",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "17c76b0104e4",
                     "lessThan": "c4f8554996e8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "17c76b0104e4",
                     "lessThan": "a8abfda768b9",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "17c76b0104e4",
                     "lessThan": "257f9e5185eb",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "17c76b0104e4",
                     "lessThan": "a33e967b681e",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "17c76b0104e4",
                     "lessThan": "c4cbcc64bb31",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "17c76b0104e4",
                     "lessThan": "f9c96351aa67",
                     "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/nilfs2/btree.c"
               ],
               "versions": [
                  {
                     "version": "2.6.30",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "2.6.30",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.227",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.168",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.113",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.54",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10.13",
                     "lessThanOrEqual": "6.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.11.2",
                     "lessThanOrEqual": "6.11.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.12-rc1",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/d20674f31626e0596ae4c1d9401dfb6739b81b58"
            },
            {
               "url": "https://git.kernel.org/stable/c/c4f8554996e8ada3be872dfb8f60e93bcf15fb27"
            },
            {
               "url": "https://git.kernel.org/stable/c/a8abfda768b9f33630cfbc4af6c4214f1e5681b0"
            },
            {
               "url": "https://git.kernel.org/stable/c/257f9e5185eb6de83377caea686c306e22e871f2"
            },
            {
               "url": "https://git.kernel.org/stable/c/a33e967b681e088a125b979975c93e3453e686cd"
            },
            {
               "url": "https://git.kernel.org/stable/c/c4cbcc64bb31e67e02940ce060cc77f7180564cf"
            },
            {
               "url": "https://git.kernel.org/stable/c/f9c96351aa6718b42a9f42eaf7adce0356bdb5e8"
            }
         ],
         "title": "nilfs2: fix potential oob read in nilfs_btree_check_delete()",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-47757",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}