{
   "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 nilfs_empty_dir() misjudgment and long loop on I/O errors\n\nThe error handling in nilfs_empty_dir() when a directory folio/page read\nfails is incorrect, as in the old ext2 implementation, and if the\nfolio/page cannot be read or nilfs_check_folio() fails, it will falsely\ndetermine the directory as empty and corrupt the file system.\n\nIn addition, since nilfs_empty_dir() does not immediately return on a\nfailed folio/page read, but continues to loop, this can cause a long loop\nwith I/O if i_size of the directory's inode is also corrupted, causing the\nlog writer thread to wait and hang, as reported by syzbot.\n\nFix these issues by making nilfs_empty_dir() immediately return a false\nvalue (0) if it fails to get a directory folio/page."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/nilfs2/dir.c"
               ],
               "versions": [
                  {
                     "version": "2ba466d74ed7",
                     "lessThan": "2ac8a2fe22bd",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2ba466d74ed7",
                     "lessThan": "405b71f1251e",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2ba466d74ed7",
                     "lessThan": "c77ad608df6c",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2ba466d74ed7",
                     "lessThan": "11a2edb70356",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2ba466d74ed7",
                     "lessThan": "129dcd3e7d03",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2ba466d74ed7",
                     "lessThan": "d18b05eda7fa",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2ba466d74ed7",
                     "lessThan": "59f14875a96e",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2ba466d74ed7",
                     "lessThan": "7373a51e7998",
                     "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/dir.c"
               ],
               "versions": [
                  {
                     "version": "2.6.30",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "2.6.30",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.317",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.279",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.221",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.162",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.95",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.35",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9.5",
                     "lessThanOrEqual": "6.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/2ac8a2fe22bdde9eecce2a42cf5cab79333fb428"
            },
            {
               "url": "https://git.kernel.org/stable/c/405b71f1251e5ae865f53bd27c45114e6c83bee3"
            },
            {
               "url": "https://git.kernel.org/stable/c/c77ad608df6c091fe64ecb91f41ef7cb465587f1"
            },
            {
               "url": "https://git.kernel.org/stable/c/11a2edb70356a2202dcb7c9c189c8356ab4752cd"
            },
            {
               "url": "https://git.kernel.org/stable/c/129dcd3e7d036218db3f59c82d82004b9539ed82"
            },
            {
               "url": "https://git.kernel.org/stable/c/d18b05eda7fa77f02114f15b02c009f28ee42346"
            },
            {
               "url": "https://git.kernel.org/stable/c/59f14875a96ef93f05b82ad3c980605f2cb444b5"
            },
            {
               "url": "https://git.kernel.org/stable/c/7373a51e7998b508af7136530f3a997b286ce81c"
            }
         ],
         "title": "nilfs2: fix nilfs_empty_dir() misjudgment and long loop on I/O errors",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-39469",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}