ghsa-p9m6-8mxq-gx43
Vulnerability from github
Published
2025-03-10 21:31
Modified
2025-03-10 21:31
Severity ?
4.7 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Details

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

igmp: Fix data-races around sysctl_igmp_llm_reports.

While reading sysctl_igmp_llm_reports, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.

This test can be packed into a helper, so such changes will be in the follow-up series after net is merged into net-next.

if (ipv4_is_local_multicast(pmc->multiaddr) && !READ_ONCE(net->ipv4.sysctl_igmp_llm_reports))

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49590"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-362"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-02-26T07:01:34Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nigmp: Fix data-races around sysctl_igmp_llm_reports.\n\nWhile reading sysctl_igmp_llm_reports, it can be changed concurrently.\nThus, we need to add READ_ONCE() to its readers.\n\nThis test can be packed into a helper, so such changes will be in the\nfollow-up series after net is merged into net-next.\n\n  if (ipv4_is_local_multicast(pmc-\u003emultiaddr) \u0026\u0026\n      !READ_ONCE(net-\u003eipv4.sysctl_igmp_llm_reports))",
  "id": "GHSA-p9m6-8mxq-gx43",
  "modified": "2025-03-10T21:31:11Z",
  "published": "2025-03-10T21:31:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49590"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1656ecaddf90e2a070ec2d2404cdae3edf80faca"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/260446eb8e5541402b271343a4516f2b33dec1e4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/46307adceb67bdf2ec38408dd9cebc378a6b5c46"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/473aad9ad57ff760005377e6f45a2ad4210e08ce"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a84b4afaca2573ed3aed1f8854aefe3ca5a82e72"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d77969e7d4ccc26bf1f414a39ef35050a83ba6d5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ed876e99ccf417b8bd7fd8408ba5e8b008e46cc8"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f6da2267e71106474fbc0943dc24928b9cb79119"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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