fkie_cve-2021-47340
Vulnerability from fkie_nvd
Published
2024-05-21 15:15
Modified
2025-05-12 19:58
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: jfs: fix GPF in diFree Avoid passing inode with JFS_SBI(inode->i_sb)->ipimap == NULL to diFree()[1]. GFP will appear: struct inode *ipimap = JFS_SBI(ip->i_sb)->ipimap; struct inomap *imap = JFS_IP(ipimap)->i_imap; JFS_IP() will return invalid pointer when ipimap == NULL Call Trace: diFree+0x13d/0x2dc0 fs/jfs/jfs_imap.c:853 [1] jfs_evict_inode+0x2c9/0x370 fs/jfs/inode.c:154 evict+0x2ed/0x750 fs/inode.c:578 iput_final fs/inode.c:1654 [inline] iput.part.0+0x3fe/0x820 fs/inode.c:1680 iput+0x58/0x70 fs/inode.c:1670
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3bb27e27240289b47d3466f647a55c567adbdc3aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/42f102ea1943ecb10a0756bf75424de5d1d5beedPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/49def1b0644892e3b113673c13d650c3060b43bcPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/745c9a59422c63f661f4374ed5181740db4130a1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7bde24bde490f3139eee147efc6d60d6040fe975Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8018936950360f1c503bb385e158cfc5e4945d18Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9d574f985fe33efd6911f4d752de6f485a1ea732Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a21e5cb1a64c904f1f0ef7b2d386fc7d2b1d2ce2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aff8d95b69051d0cf4acc3d91f22299fdbb9dfb3Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3bb27e27240289b47d3466f647a55c567adbdc3aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/42f102ea1943ecb10a0756bf75424de5d1d5beedPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/49def1b0644892e3b113673c13d650c3060b43bcPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/745c9a59422c63f661f4374ed5181740db4130a1Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/7bde24bde490f3139eee147efc6d60d6040fe975Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8018936950360f1c503bb385e158cfc5e4945d18Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9d574f985fe33efd6911f4d752de6f485a1ea732Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a21e5cb1a64c904f1f0ef7b2d386fc7d2b1d2ce2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/aff8d95b69051d0cf4acc3d91f22299fdbb9dfb3Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
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      "nodes": [
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          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: fix GPF in diFree\n\nAvoid passing inode with\nJFS_SBI(inode-\u003ei_sb)-\u003eipimap == NULL to\ndiFree()[1]. GFP will appear:\n\n\tstruct inode *ipimap = JFS_SBI(ip-\u003ei_sb)-\u003eipimap;\n\tstruct inomap *imap = JFS_IP(ipimap)-\u003ei_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"
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: jfs: corrige GPF en diFree. Evite pasar el inodo con JFS_SBI(inode-\u0026gt;i_sb)-\u0026gt;ipimap == NULL a diFree()[1]. Aparecer\u00e1 GFP: struct inode *ipimap = JFS_SBI(ip-\u0026gt;i_sb)-\u0026gt;ipimap; estructura inomap *imap = JFS_IP(ipimap)-\u0026gt;i_imap; JFS_IP() devolver\u00e1 un puntero no v\u00e1lido cuando ipimap == NULL Seguimiento de llamadas: diFree+0x13d/0x2dc0 fs/jfs/jfs_imap.c:853 [1] jfs_evict_inode+0x2c9/0x370 fs/jfs/inode.c:154 evict+0x2ed/ 0x750 fs/inode.c:578 iput_final fs/inode.c:1654 [en l\u00ednea] iput.part.0+0x3fe/0x820 fs/inode.c:1680 iput+0x58/0x70 fs/inode.c:1670"
    }
  ],
  "id": "CVE-2021-47340",
  "lastModified": "2025-05-12T19:58:32.007",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
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  "published": "2024-05-21T15:15:20.770",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}


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