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CVE-2026-72250 netfilter: nf_conntrack_reasm: guard mac_header adjustment after IPv6 defrag

🗓️ 15 Aug 2026 05:54:39Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

nf_conntrack_reasm wraps mac_header sentinel on IPv6 defrag, causing memory corruption in Linux kernel.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-72250
15 Aug 202605:54
cve
debiancve
Debian CVE
CVE-2026-72250
15 Aug 202605:54
debiancve
euvd
EUVD
EUVD-2026-59149
15 Aug 202605:54
euvd
nvd
NVD
CVE-2026-72250
15 Aug 202606:21
nvd
osv
OSV
DEBIAN-CVE-2026-72250
15 Aug 202606:21
osv
ptsecurity
Positive Technologies
PT-2026-72438
15 Aug 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/netfilter/nf_conntrack_reasm.c"
    ],
    "versions": [
      {
        "version": "9fb9cbb1082d6b31fb45aa1a14432449a0df6cf1",
        "lessThan": "6e8cd710ca35c576f5f2e5a396047c9ac61f75e5",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9fb9cbb1082d6b31fb45aa1a14432449a0df6cf1",
        "lessThan": "2a95ec21824a8ad81ad660b12231456fc0ac9830",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9fb9cbb1082d6b31fb45aa1a14432449a0df6cf1",
        "lessThan": "bbcdef2061b170af45702ce6b359c02c12acfc94",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9fb9cbb1082d6b31fb45aa1a14432449a0df6cf1",
        "lessThan": "cd0d7bbc027b4d3329712cdcdeb4e5567ffd0d58",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9fb9cbb1082d6b31fb45aa1a14432449a0df6cf1",
        "lessThan": "53ef70a315420ed31581d38343684b3bf9a3c76d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9fb9cbb1082d6b31fb45aa1a14432449a0df6cf1",
        "lessThan": "a58230f3a7c4f6c3261786bc1efb72c42e68cd25",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9fb9cbb1082d6b31fb45aa1a14432449a0df6cf1",
        "lessThan": "00bdce2fda7e430d24cfbc96764a1b96deb31f82",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "9fb9cbb1082d6b31fb45aa1a14432449a0df6cf1",
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        "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/ipv6/netfilter/nf_conntrack_reasm.c"
    ],
    "versions": [
      {
        "version": "2.6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.97",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.40",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.5",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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