Vulnerability-Lookup

GHSA-J8G9-5P8G-4F3X

Vulnerability from github – Published: 2024-05-21 15:31 – Updated: 2024-12-26 21:30

Details

In the Linux kernel, the following vulnerability has been resolved:

net: fddi: fix UAF in fza_probe

fp is netdev private data and it cannot be used after free_netdev() call. Using fp after free_netdev() can cause UAF bug. Fix it by moving free_netdev() after error message.

TURBOchannel adapter")

Severity

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2021-47306"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-21T15:15:18Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fddi: fix UAF in fza_probe\n\nfp is netdev private data and it cannot be\nused after free_netdev() call. Using fp after free_netdev()\ncan cause UAF bug. Fix it by moving free_netdev() after error message.\n\nTURBOchannel adapter\")",
  "id": "GHSA-j8g9-5p8g-4f3x",
  "modified": "2024-12-26T21:30:35Z",
  "published": "2024-05-21T15:31:42Z",
  "references": [
    {
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-47306"
    },
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      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9"
    },
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      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-47306 (GCVE-0-2021-47306)

Vulnerability from cvelistv5 – Published: 2024-05-21 14:35 – Updated: 2026-05-11 13:51

Title

net: fddi: fix UAF in fza_probe

Summary

In the Linux kernel, the following vulnerability has been resolved: net: fddi: fix UAF in fza_probe fp is netdev private data and it cannot be used after free_netdev() call. Using fp after free_netdev() can cause UAF bug. Fix it by moving free_netdev() after error message. TURBOchannel adapter")

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

Assigner

Linux

References

4 references

URL	Tags
https://git.kernel.org/stable/c/04b06716838bfc267…
https://git.kernel.org/stable/c/f33605908a9b60635…
https://git.kernel.org/stable/c/bdfbb51f7a437ae8e…
https://git.kernel.org/stable/c/deb7178eb940e2c5c…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 61414f5ec9834df8aa4f55c90de16b71a3d6ca8d , < 04b06716838bfc26742dbed3ae1d3697fe5317ee (git) Affected: 61414f5ec9834df8aa4f55c90de16b71a3d6ca8d , < f33605908a9b6063525e9f68e62d739948c5fccf (git) Affected: 61414f5ec9834df8aa4f55c90de16b71a3d6ca8d , < bdfbb51f7a437ae8ea91317a5c133ec13adf3c47 (git) Affected: 61414f5ec9834df8aa4f55c90de16b71a3d6ca8d , < deb7178eb940e2c5caca1b1db084a69b2e59b4c9 (git)
Linux	Linux	Affected: 4.20 Unaffected: 0 , < 4.20 (semver) Unaffected: 5.4.135 , ≤ 5.4.* (semver) Unaffected: 5.10.53 , ≤ 5.10.* (semver) Unaffected: 5.13.5 , ≤ 5.13.* (semver) Unaffected: 5.14 , ≤ * (original_commit_for_fix)

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                  },
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                "timestamp": "2024-05-28T15:52:18.778665Z",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-J8G9-5P8G-4F3X

CVE-2021-47306 (GCVE-0-2021-47306)

Tags

Sightings

Nomenclature