{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2021-47340",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2021-47340",
    "idYear": 2021,
    "status": "PUBLISHED",
    "publishedAt": "2024-05-21T14:35:48.342Z",
    "updatedAt": "2026-05-11T13:52:44.651Z",
    "importedAt": "2026-10-24T01:56:36.661Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "jfs: fix GPF in diFree",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: fix GPF in diFree\n\nAvoid passing inode with\nJFS_SBI(inode->i_sb)->ipimap == NULL to\ndiFree()[1]. GFP will appear:\n\n\tstruct inode *ipimap = JFS_SBI(ip->i_sb)->ipimap;\n\tstruct inomap *imap = JFS_IP(ipimap)->i_imap;\n\nJFS_IP() will return invalid pointer when ipimap == NULL\n\nCall Trace:\n diFree+0x13d/0x2dc0 fs/jfs/jfs_imap.c:853 [1]\n jfs_evict_inode+0x2c9/0x370 fs/jfs/inode.c:154\n evict+0x2ed/0x750 fs/inode.c:578\n iput_final fs/inode.c:1654 [inline]\n iput.part.0+0x3fe/0x820 fs/inode.c:1680\n iput+0x58/0x70 fs/inode.c:1670",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "62aff86fdf18657d9eca7878654415f94f16d027",
              "status": "affected",
              "versionType": "git",
              "lessThan": "7bde24bde490f3139eee147efc6d60d6040fe975"
            },
            {
              "version": "62aff86fdf18657d9eca7878654415f94f16d027",
              "status": "affected",
              "versionType": "git",
              "lessThan": "745c9a59422c63f661f4374ed5181740db4130a1"
            },
            {
              "version": "62aff86fdf18657d9eca7878654415f94f16d027",
              "status": "affected",
              "versionType": "git",
              "lessThan": "49def1b0644892e3b113673c13d650c3060b43bc"
            },
            {
              "version": "62aff86fdf18657d9eca7878654415f94f16d027",
              "status": "affected",
              "versionType": "git",
              "lessThan": "aff8d95b69051d0cf4acc3d91f22299fdbb9dfb3"
            },
            {
              "version": "62aff86fdf18657d9eca7878654415f94f16d027",
              "status": "affected",
              "versionType": "git",
              "lessThan": "a21e5cb1a64c904f1f0ef7b2d386fc7d2b1d2ce2"
            },
            {
              "version": "62aff86fdf18657d9eca7878654415f94f16d027",
              "status": "affected",
              "versionType": "git",
              "lessThan": "8018936950360f1c503bb385e158cfc5e4945d18"
            },
            {
              "version": "62aff86fdf18657d9eca7878654415f94f16d027",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3bb27e27240289b47d3466f647a55c567adbdc3a"
            },
            {
              "version": "62aff86fdf18657d9eca7878654415f94f16d027",
              "status": "affected",
              "versionType": "git",
              "lessThan": "42f102ea1943ecb10a0756bf75424de5d1d5beed"
            },
            {
              "version": "62aff86fdf18657d9eca7878654415f94f16d027",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9d574f985fe33efd6911f4d752de6f485a1ea732"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.36",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.36"
            },
            {
              "version": "4.4.276",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.4.*"
            },
            {
              "version": "4.9.276",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.9.*"
            },
            {
              "version": "4.14.240",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.198",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.133",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.51",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.12.18",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.12.*"
            },
            {
              "version": "5.13.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.13.*"
            },
            {
              "version": "5.14",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}