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CVE-2026-98017 net/sched: defer qdisc freeing after failed creation

🗓️ 25 Sep 2026 10:23:39Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

Linux kernel net/sched use-after-free in qdisc freeing after failed RTM_NEWQDISC creation.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/sch_generic.h",
      "net/sched/sch_api.c",
      "net/sched/sch_generic.c"
    ],
    "versions": [
      {
        "version": "51ab2994c387c80b45caf8b8067b3f3b97771d25",
        "lessThan": "96a27a3e64e7c87abade03fb2ad04ed66992a89a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "51ab2994c387c80b45caf8b8067b3f3b97771d25",
        "lessThan": "6a1b49bb9fdf9e8e7aa38e8cd635c0cc4074447d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "51ab2994c387c80b45caf8b8067b3f3b97771d25",
        "lessThan": "20bf6fa34b345333971bd4464a322cce87b83f4e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "51ab2994c387c80b45caf8b8067b3f3b97771d25",
        "lessThan": "156a3bab69744e9225bb9eff8c5cc53da18d5a2e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "51ab2994c387c80b45caf8b8067b3f3b97771d25",
        "lessThan": "5bfe927c5b4b290fad529186218c728589b4b101",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "51ab2994c387c80b45caf8b8067b3f3b97771d25",
        "lessThan": "e6662f2100f8d33b0f4d0047c219efd6bba186ea",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "include/net/sch_generic.h",
      "net/sched/sch_api.c",
      "net/sched/sch_generic.c"
    ],
    "versions": [
      {
        "version": "4.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.189",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.158",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.111",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.53",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.7",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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03 Oct 2026 11:01Current
CVSS 3.17.8
EPSS0.00129
41