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CVE-2026-98610 net/sched: sch_hfsc: bound the classify inner-filter walk with a drift budget

🗓️ 18 Oct 2026 15:19:25Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 3 Views

Soft lockup in Linux kernel net/sched: sch_hfsc due to unbounded classify walk.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-98610
18 Oct 202615:19
–cve
debiancve
Debian CVE
CVE-2026-98610
18 Oct 202615:19
–debiancve
euvd
EUVD
EUVD-2026-103655
18 Oct 202615:19
–euvd
nvd
NVD
CVE-2026-98610
18 Oct 202616:17
–nvd
ptsecurity
Positive Technologies
PT-2026-116829
18 Oct 202600:00
–ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sched/sch_hfsc.c"
    ],
    "versions": [
      {
        "version": "a2f79227138c71e08627af5f8961197364edbc98",
        "lessThan": "d4fd251e3311727c32af89344d3332f788c153a2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a2f79227138c71e08627af5f8961197364edbc98",
        "lessThan": "30d7fea767e830bd81ac2f73d2e33c877cb2e679",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a2f79227138c71e08627af5f8961197364edbc98",
        "lessThan": "f476fb656ca2326d7b2eba98d03ced1cbcf5cd99",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a2f79227138c71e08627af5f8961197364edbc98",
        "lessThan": "e8f9979286f70dfbfe0552e2a63000950841bea6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a2f79227138c71e08627af5f8961197364edbc98",
        "lessThan": "2bd20245dd658789d8cccb37697967b4caba6ad8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a2f79227138c71e08627af5f8961197364edbc98",
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a2f79227138c71e08627af5f8961197364edbc98",
        "lessThan": "1301a1292c6742b4c96a18715d49f89c3caca0d7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a2f79227138c71e08627af5f8961197364edbc98",
        "lessThan": "8a60ade2277e1f0e0d0578d565354e52292fa46d",
        "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_hfsc.c"
    ],
    "versions": [
      {
        "version": "2.6.35",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.35",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.271",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.222",
        "lessThanOrEqual": "5.15.*",
        "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": "6.12.112",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.55",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.9",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc5",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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