github - ghsa-j7rq-227r-98j4

ghsa-j7rq-227r-98j4

Vulnerability from github

Published

2024-05-20 12:30

Modified

2024-06-26 00:31

Details

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

netfilter: complete validation of user input

In my recent commit, I missed that do_replace() handlers use copy_from_sockptr() (which I fixed), followed by unsafe copy_from_sockptr_offset() calls.

In all functions, we can perform the @optlen validation before even calling xt_alloc_table_info() with the following check:

if ((u64)optlen < (u64)tmp.size + sizeof(tmp)) return -EINVAL;

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{
  "affected": [],
  "aliases": [
    "CVE-2024-35962"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-20T10:15:11Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: complete validation of user input\n\nIn my recent commit, I missed that do_replace() handlers\nuse copy_from_sockptr() (which I fixed), followed\nby unsafe copy_from_sockptr_offset() calls.\n\nIn all functions, we can perform the @optlen validation\nbefore even calling xt_alloc_table_info() with the following\ncheck:\n\nif ((u64)optlen \u003c (u64)tmp.size + sizeof(tmp))\n        return -EINVAL;",
  "id": "GHSA-j7rq-227r-98j4",
  "modified": "2024-06-26T00:31:43Z",
  "published": "2024-05-20T12:30:28Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35962"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/562b7245131f6e9f1d280c8b5a8750f03edfc05c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/65acf6e0501ac8880a4f73980d01b5d27648b956"
    },
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      "url": "https://git.kernel.org/stable/c/89242d9584c342cb83311b598d9e6b82572eadf8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/97dab36e57c64106e1c8ebd66cbf0d2d1e52d6b7"
    },
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    },
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      "url": "https://git.kernel.org/stable/c/cf4bc359b76144a3dd55d7c09464ef4c5f2b2b05"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"
    }
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  "schema_version": "1.4.0",
  "severity": []
}

cve-2024-35962

Vulnerability from cvelistv5

Published

2024-05-20 09:41

Modified

2024-11-05 09:25

Severity ?

Summary

netfilter: complete validation of user input

References

▼	URL	Tags
	https://git.kernel.org/stable/c/cf4bc359b76144a3dd55d7c09464ef4c5f2b2b05
	https://git.kernel.org/stable/c/97dab36e57c64106e1c8ebd66cbf0d2d1e52d6b7
	https://git.kernel.org/stable/c/c760089aa98289b4b88a7ff5a62dd92845adf223
	https://git.kernel.org/stable/c/89242d9584c342cb83311b598d9e6b82572eadf8
	https://git.kernel.org/stable/c/562b7245131f6e9f1d280c8b5a8750f03edfc05c
	https://git.kernel.org/stable/c/65acf6e0501ac8880a4f73980d01b5d27648b956

Impacted products

▼	Vendor	Product
	Linux	Linux
	Linux	Linux

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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