ghsa-5gp6-334q-267g
Vulnerability from github
Published
2025-05-01 15:31
Modified
2025-05-07 15:31
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details

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

net: sched: Fix use after free in red_enqueue()

We can't use "skb" again after passing it to qdisc_enqueue(). This is basically identical to commit 2f09707d0c97 ("sch_sfb: Also store skb len before calling child enqueue").

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{
  "affected": [],
  "aliases": [
    "CVE-2022-49921"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T15:16:17Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sched: Fix use after free in red_enqueue()\n\nWe can\u0027t use \"skb\" again after passing it to qdisc_enqueue().  This is\nbasically identical to commit 2f09707d0c97 (\"sch_sfb: Also store skb\nlen before calling child enqueue\").",
  "id": "GHSA-5gp6-334q-267g",
  "modified": "2025-05-07T15:31:27Z",
  "published": "2025-05-01T15:31:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49921"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/170e5317042c302777ed6d59fdb84af9b0219d4e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/52e0429471976785c155bfbf51d80990c6cd46e2"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5960b9081baca85cc7dcb14aec1de85999ea9d36"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/795afe0b9bb6c915f0299a8e309936519be01619"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8bdc2acd420c6f3dd1f1c78750ec989f02a1e2b9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a238cdcf2bdc72207c74375fc8be13ee549ca9db"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e877f8fa49fbccc63cb2df2e9179bddc695b825a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fc4b50adb400ee5ec527a04073174e8e73a139fa"
    }
  ],
  "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"
    }
  ]
}


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