cve/published/2025/CVE-2025-21679.json

{
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         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: add the missing error handling inside get_canonical_dev_path\n\nInside function get_canonical_dev_path(), we call d_path() to get the\nfinal device path.\n\nBut d_path() can return error, and in that case the next strscpy() call\nwill trigger an invalid memory access.\n\nAdd back the missing error handling for d_path()."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/btrfs/volumes.c"
               ],
               "versions": [
                  {
                     "version": "5d261f60b5c82ba1e4b5555252e1c90c43d96015",
                     "lessThan": "d0fb5741932b831eded49bfaaf33353e96200d6d",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7e06de7c83a746e58d4701e013182af133395188",
                     "lessThan": "fe4de594f7a2e9bc49407de60fbd20809fad4192",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/btrfs/volumes.c"
               ],
               "versions": [
                  {
                     "version": "6.12.5",
                     "lessThan": "6.12.11",
                     "status": "affected",
                     "versionType": "semver"
                  }
               ]
            }
         ],
         "cpeApplicability": [
            {
               "nodes": [
                  {
                     "operator": "OR",
                     "negate": false,
                     "cpeMatch": [
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.12.5",
                           "versionEndExcluding": "6.12.11"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/d0fb5741932b831eded49bfaaf33353e96200d6d"
            },
            {
               "url": "https://git.kernel.org/stable/c/fe4de594f7a2e9bc49407de60fbd20809fad4192"
            }
         ],
         "title": "btrfs: add the missing error handling inside get_canonical_dev_path",
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         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2025-21679",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}