{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: dev-replace: properly validate device names\n\nThere's a syzbot report that device name buffers passed to device\nreplace are not properly checked for string termination which could lead\nto a read out of bounds in getname_kernel().\n\nAdd a helper that validates both source and target device name buffers.\nFor devid as the source initialize the buffer to empty string in case\nsomething tries to read it later.\n\nThis was originally analyzed and fixed in a different way by Edward Adam\nDavis (see links)."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/btrfs/dev-replace.c"
               ],
               "versions": [
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "11d7a2e429c0",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "c6652e20d7d7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "2886fe308a83",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "ab2d68655d0f",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "f590040ce2b7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "b1690ced4d2d",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "343eecb4ff49",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "9845664b9ee4",
                     "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/btrfs/dev-replace.c"
               ],
               "versions": [
                  {
                     "version": "4.19.309",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.271",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.212",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.151",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.81",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.21",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.7.9",
                     "lessThanOrEqual": "6.7.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/11d7a2e429c02d51e2dc90713823ea8b8d3d3a84"
            },
            {
               "url": "https://git.kernel.org/stable/c/c6652e20d7d783d060fe5f987eac7b5cabe31311"
            },
            {
               "url": "https://git.kernel.org/stable/c/2886fe308a83968dde252302884a1e63351cf16d"
            },
            {
               "url": "https://git.kernel.org/stable/c/ab2d68655d0f04650bef09fee948ff80597c5fb9"
            },
            {
               "url": "https://git.kernel.org/stable/c/f590040ce2b712177306b03c2a63b16f7d48d3c8"
            },
            {
               "url": "https://git.kernel.org/stable/c/b1690ced4d2d8b28868811fb81cd33eee5aefee1"
            },
            {
               "url": "https://git.kernel.org/stable/c/343eecb4ff49a7b1cc1dfe86958a805cf2341cfb"
            },
            {
               "url": "https://git.kernel.org/stable/c/9845664b9ee47ce7ee7ea93caf47d39a9d4552c4"
            }
         ],
         "title": "btrfs: dev-replace: properly validate device names",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-26791",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}