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HighFix available

net: sched: fix ordering of qlen adjustment

Type: advisorySources: OSV

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ordering of qlen adjustment Changes to sch->q.qlen around qdisc_tree_reduce_backlog() need to happen _before_ a call to said function because otherwise it may fail to notify parent qdiscs when the child is about to become empty.

Products
Kernel
Affected versions
Not specified
Fixed versions
5.10.233, 5.15.176, 5.4.289, 6.1.122, 6.12.7, 6.6.68
CVEs
CVE-2024-53164
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 16:58 UTC · Revision 1

Source evidence

net: sched: fix ordering of qlen adjustment

core-osv · Original source

Published 27 Dec 2024, 13:38 UTC

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ordering of qlen adjustment Changes to sch->q.qlen around qdisc_tree_reduce_backlog() need to happen _before_ a call to said function because otherwise it may fail to notify parent qdiscs when the child is about to become empty.

osv:CVE-2024-53164

Kernel

Fixed versions: 5.4.289, 5.10.233, 5.15.176, 6.1.122, 6.6.68, 6.12.7

Complete source record
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  "id": "d72005f65370502e5fe9e727cebdcefa2d9c4c6f6431e155512b6c10c5fd298d",
  "url": "https://osv.dev/vulnerability/CVE-2024-53164",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "net: sched: fix ordering of qlen adjustment",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ordering of qlen adjustment Changes to sch->q.qlen around qdisc_tree_reduce_backlog() need to happen _before_ a call to said function because otherwise it may fail to notify parent qdiscs when the child is about to become empty.",
    "evidence": "osv:CVE-2024-53164",
    "products": [
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          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "evidence": "/affected/1/ranges"
          },
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            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.176",
            "evidence": "/affected/1/ranges"
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          {
            "value": "6.1.122",
            "evidence": "/affected/1/ranges"
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          {
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    "severity": "high",
    "structured": {
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      "aliases": [
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      "metrics": [
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          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
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                {
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              "type": "ECOSYSTEM",
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                  "introduced": "6.2.0"
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                {
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              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
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                {
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              ]
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
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      ],
      "modified": "2026-10-28T02:30:37.899162778Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
        "https://git.kernel.org/stable/c/33db36b3c53d0fda2699ea39ba72bee4de8336e8",
        "https://git.kernel.org/stable/c/44782565e1e6174c94bddfa72ac7267cd09c1648",
        "https://git.kernel.org/stable/c/489422e2befff88a1de52b2acebe7b333bded025",
        "https://git.kernel.org/stable/c/5e473f462a16f1a34e49ea4289a667d2e4f35b52",
        "https://git.kernel.org/stable/c/5eb7de8cd58e73851cd37ff8d0666517d9926948",
        "https://git.kernel.org/stable/c/97e13434b5da8e91bdf965352fad2141d13d72d3",
        "https://git.kernel.org/stable/c/e3e54ad9eff8bdaa70f897e5342e34b76109497f",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53164.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-53164",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53164.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-53164",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505001,
  "published_at": "2024-12-27T13:38:43.407+00:00"
}