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CVE-2025-21971 net_sched: Prevent creation of classes with TC_H_ROOT

🗓️ 01 Apr 2025 15:47:04Reported by LinuxType 
cvelist
 cvelist🔗 www.cve.org👁 9 Views

CVE-2025-21971 resolves a vulnerability in Linux kernel preventing TC_H_ROOT class creation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-959)
13 May 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.10-2025-090)
29 Apr 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.15-2025-070)
29 Apr 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : kernel (ALASKERNEL-5.4-2025-100)
29 Apr 202500:00
–nessus
Tenable Nessus		Debian dla-4178 : ata-modules-5.10.0-34-armmp-di - security update
26 May 202500:00
–nessus
Tenable Nessus		Debian dla-4193 : linux-config-6.1 - security update
29 May 202500:00
–nessus
Tenable Nessus		Debian dsa-5900 : affs-modules-6.1.0-28-4kc-malta-di - security update
13 Apr 202500:00
–nessus
Tenable Nessus		EulerOS 2.0 SP11 : kernel (EulerOS-SA-2025-1661)
12 Jun 202500:00
–nessus
Tenable Nessus		EulerOS 2.0 SP11 : kernel (EulerOS-SA-2025-1662)
12 Jun 202500:00
–nessus
Tenable Nessus		EulerOS 2.0 SP13 : kernel (EulerOS-SA-2025-1689)
30 Jun 202500:00
–nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sched/sch_api.c"
    ],
    "versions": [
      {
        "version": "066a3b5b2346febf9a655b444567b7138e3bb939",
        "lessThan": "e05d9938b1b0ac40b6054cc5fa0ccbd9afd5ed4c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "066a3b5b2346febf9a655b444567b7138e3bb939",
        "lessThan": "7a82fe67a9f4d7123d8e5ba8f0f0806c28695006",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "066a3b5b2346febf9a655b444567b7138e3bb939",
        "lessThan": "003d92c91cdb5a64b25a9a74cb8543aac9a8bb48",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "066a3b5b2346febf9a655b444567b7138e3bb939",
        "lessThan": "e5ee00607bbfc97ef1526ea95b6b2458ac9e7cb7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "066a3b5b2346febf9a655b444567b7138e3bb939",
        "lessThan": "78533c4a29ac3aeddce4b481770beaaa4f3bfb67",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "066a3b5b2346febf9a655b444567b7138e3bb939",
        "lessThan": "5c3ca9cb48b51bd72bf76b8b05e24f3cd53db5e7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "066a3b5b2346febf9a655b444567b7138e3bb939",
        "lessThan": "94edfdfb9505ab608e86599d1d1e38c83816fc1c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "066a3b5b2346febf9a655b444567b7138e3bb939",
        "lessThan": "0c3057a5a04d07120b3d0ec9c79568fceb9c921e",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sched/sch_api.c"
    ],
    "versions": [
      {
        "version": "2.6.25",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.25",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.292",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.236",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.180",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.132",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.84",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.20",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.13.8",
        "lessThanOrEqual": "6.13.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.14",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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EPSS0.00018
cve-2025-21971 linux kernel vulnerability tc_h_root class creation prevention qdisc tree traversal
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