ghsa-fcjf-98wx-3v8x
Vulnerability from github
Published
2024-08-17 09:30
Modified
2024-08-19 06:30
Details

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

sysctl: always initialize i_uid/i_gid

Always initialize i_uid/i_gid inside the sysfs core so set_ownership() can safely skip setting them.

Commit 5ec27ec735ba ("fs/proc/proc_sysctl.c: fix the default values of i_uid/i_gid on /proc/sys inodes.") added defaults for i_uid/i_gid when set_ownership() was not implemented. It also missed adjusting net_ctl_set_ownership() to use the same default values in case the computation of a better value failed.

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{
  "affected": [],
  "aliases": [
    "CVE-2024-42312"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-08-17T09:15:11Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsysctl: always initialize i_uid/i_gid\n\nAlways initialize i_uid/i_gid inside the sysfs core so set_ownership()\ncan safely skip setting them.\n\nCommit 5ec27ec735ba (\"fs/proc/proc_sysctl.c: fix the default values of\ni_uid/i_gid on /proc/sys inodes.\") added defaults for i_uid/i_gid when\nset_ownership() was not implemented. It also missed adjusting\nnet_ctl_set_ownership() to use the same default values in case the\ncomputation of a better value failed.",
  "id": "GHSA-fcjf-98wx-3v8x",
  "modified": "2024-08-19T06:30:54Z",
  "published": "2024-08-17T09:30:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-42312"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1deae34db9f4f8e0e03f891be2e2e15c15c8ac05"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/34a86adea1f2b3c3f9d864c8cce09dca644601ab"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/98ca62ba9e2be5863c7d069f84f7166b45a5b2f4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b2591c89a6e2858796111138c38fcb6851aa1955"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c7e2f43d182f5dde473389dbb39f16c9f0d64536"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ffde3af4b29bf97d62d82e1d45275587e10a991a"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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