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CVE-2026-98432

🗓️ 15 Oct 2026 12:08:22Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

Use-after-free in Linux kernel ipv4 via free inet_opt and ireq_opt after RCU grace period.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-98432
15 Oct 202612:24
–circl
cvelist
Cvelist
CVE-2026-98432 ipv4: free inet_opt and ireq_opt after an RCU grace period
15 Oct 202612:08
–cvelist
debiancve
Debian CVE
CVE-2026-98432
15 Oct 202612:08
–debiancve
euvd
EUVD
EUVD-2026-102025
15 Oct 202618:32
–euvd
nvd
NVD
CVE-2026-98432
15 Oct 202613:17
–nvd
ptsecurity
Positive Technologies
PT-2026-114917
15 Oct 202600:00
–ptsecurity
Vulners
CNA
Node
OR
linuxlinux_kernelRange4.4–5.10.272
linuxlinux_kernelRange5.11.0–5.15.223
linuxlinux_kernelRange5.16.0–6.1.190
linuxlinux_kernelRange6.2.0–6.6.159
linuxlinux_kernelRange6.7.0–6.12.113
linuxlinux_kernelRange6.13.0–6.18.56
linuxlinux_kernelRange6.19.0–7.2.10
linuxlinux_kernelRange7.3.0–7.3-rc7
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/af_inet.c",
      "net/ipv4/tcp_ipv4.c"
    ],
    "versions": [
      {
        "version": "079096f103faca2dd87342cca6f23d4b34da8871",
        "lessThan": "b3b027ef0cd322bfa839b9aaf5b27551eea54cf6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "079096f103faca2dd87342cca6f23d4b34da8871",
        "lessThan": "95a8c8fa9f27dce64c40c41c062de7728bf34ab5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "079096f103faca2dd87342cca6f23d4b34da8871",
        "lessThan": "89b5b1eb7d633c33832b7ff2c02e19a144705036",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "079096f103faca2dd87342cca6f23d4b34da8871",
        "lessThan": "742f73df544e03744f2981c467d6542fe8172a2a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "079096f103faca2dd87342cca6f23d4b34da8871",
        "lessThan": "11a03ce3c4a62d84c10ccdfe47f8075006498568",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "079096f103faca2dd87342cca6f23d4b34da8871",
        "lessThan": "a47406c769f72c070386985488f1c4d057df86b2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "079096f103faca2dd87342cca6f23d4b34da8871",
        "lessThan": "26d4c36d318cffbbd160884a0e4cec0da4da4936",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "079096f103faca2dd87342cca6f23d4b34da8871",
        "lessThan": "e3f33b0a1d89d738e2b913dab519226eaf76e15b",
        "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/ipv4/af_inet.c",
      "net/ipv4/tcp_ipv4.c"
    ],
    "versions": [
      {
        "version": "4.4",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.272",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.223",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.190",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.159",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.113",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.56",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.10",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3-rc7",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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15 Oct 2026 13:17Current
6.6Medium risk
Vulners AI Score6.6
9