{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid dirent corruption\n\nAs Al reported in link[1]:\n\nf2fs_rename()\n...\n\tif (old_dir != new_dir && !whiteout)\n\t\tf2fs_set_link(old_inode, old_dir_entry,\n\t\t\t\t\told_dir_page, new_dir);\n\telse\n\t\tf2fs_put_page(old_dir_page, 0);\n\nYou want correct inumber in the \"..\" link.  And cross-directory\nrename does move the source to new parent, even if you'd been asked\nto leave a whiteout in the old place.\n\n[1] https://lore.kernel.org/all/20231017055040.GN800259@ZenIV/\n\nWith below testcase, it may cause dirent corruption, due to it missed\nto call f2fs_set_link() to update \"..\" link to new directory.\n- mkdir -p dir/foo\n- renameat2 -w dir/foo bar\n\n[ASSERT] (__chk_dots_dentries:1421)  --> Bad inode number[0x4] for '..', parent parent ino is [0x3]\n[FSCK] other corrupted bugs                           [Fail]"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/f2fs/namei.c"
               ],
               "versions": [
                  {
                     "version": "7e01e7ad746b",
                     "lessThan": "02160112e6d4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7e01e7ad746b",
                     "lessThan": "5624a3c1b1eb",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7e01e7ad746b",
                     "lessThan": "6f866885e147",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7e01e7ad746b",
                     "lessThan": "f100ba617d8b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7e01e7ad746b",
                     "lessThan": "f0145860c20b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7e01e7ad746b",
                     "lessThan": "d3c0b49aaa12",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7e01e7ad746b",
                     "lessThan": "2fb4867f4405",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "7e01e7ad746b",
                     "lessThan": "53edb549565f",
                     "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/f2fs/namei.c"
               ],
               "versions": [
                  {
                     "version": "4.2",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.2",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.306",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.268",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.209",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.148",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.75",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.14",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.7.2",
                     "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/02160112e6d45c2610b049df6eb693d7a2e57b46"
            },
            {
               "url": "https://git.kernel.org/stable/c/5624a3c1b1ebc8991318e1cce2aa719542991024"
            },
            {
               "url": "https://git.kernel.org/stable/c/6f866885e147d33efc497f1095f35b2ee5ec7310"
            },
            {
               "url": "https://git.kernel.org/stable/c/f100ba617d8be6c98a68f3744ef7617082975b77"
            },
            {
               "url": "https://git.kernel.org/stable/c/f0145860c20be6bae6785c7a2249577674702ac7"
            },
            {
               "url": "https://git.kernel.org/stable/c/d3c0b49aaa12a61d560528f5d605029ab57f0728"
            },
            {
               "url": "https://git.kernel.org/stable/c/2fb4867f4405aea8c0519d7d188207f232a57862"
            },
            {
               "url": "https://git.kernel.org/stable/c/53edb549565f55ccd0bdf43be3d66ce4c2d48b28"
            }
         ],
         "title": "f2fs: fix to avoid dirent corruption",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2023-52444",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}