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CVE-2026-98441

🗓️ 18 Oct 2026 15:14:51Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 1 Views

Use-after-free in Linux kernel net/sched: act_ct via shared unconfirmed ct entry.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-98441 net/sched: act_ct: avoid modifying shared unconfirmed ct entry
18 Oct 202615:14
–cvelist
debiancve
Debian CVE
CVE-2026-98441
18 Oct 202615:14
–debiancve
euvd
EUVD
EUVD-2026-103681
18 Oct 202615:14
–euvd
nvd
NVD
CVE-2026-98441
18 Oct 202616:16
–nvd
ptsecurity
Positive Technologies
PT-2026-116660
18 Oct 202600:00
–ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.2–6.12.112
linuxlinux_kernelRange6.13.0–6.18.55
linuxlinux_kernelRange6.19.0–7.2.9
linuxlinux_kernelRange7.3.0–7.3-rc5
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/sched/act_ct.c"
    ],
    "versions": [
      {
        "version": "a21b06e7319129994f339ed47f512bbe57b77f5b",
        "lessThan": "2b783c562c3238ff50c34fd7a72a735c9cc73d9a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a21b06e7319129994f339ed47f512bbe57b77f5b",
        "lessThan": "4a04ed91575819fb1859311113e95700b709bec7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a21b06e7319129994f339ed47f512bbe57b77f5b",
        "lessThan": "b097d9d7a5b09c8ec5c4c1a08e35ac5a66b06b44",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a21b06e7319129994f339ed47f512bbe57b77f5b",
        "lessThan": "f85009dfcd65e5969526b0db7a49b5413746e630",
        "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/act_ct.c"
    ],
    "versions": [
      {
        "version": "6.2",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.2",
        "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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18 Oct 2026 16:16Current
6.2Medium risk
Vulners AI Score6.2
1