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CVE-2026-53012 nexthop: fix IPv6 route referencing IPv4 nexthop

🗓️ 24 Jun 2026 16:29:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 12 Views

Fix IPv6 route handling by updating groups when nexthop family changes to avoid NULL dereference.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-53012
24 Jun 202616:29
cve
Debian CVE
CVE-2026-53012
24 Jun 202616:29
debiancve
EUVD
EUVD-2026-38880
24 Jun 202618:32
euvd
NVD
CVE-2026-53012
24 Jun 202617:17
nvd
OSV
DEBIAN-CVE-2026-53012
24 Jun 202620:48
osv
Positive Technologies
PT-2026-51906
24 Jun 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/nexthop.c"
    ],
    "versions": [
      {
        "version": "7bf4796dd09984ad1612877a82d0d139c70ae27f",
        "lessThan": "ceffe81a0be92afc0cd1340bc8ca46559cce9bb4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7bf4796dd09984ad1612877a82d0d139c70ae27f",
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        "status": "affected",
        "versionType": "git"
      },
      {
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      },
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        "status": "affected",
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      },
      {
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      },
      {
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      {
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      },
      {
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      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/nexthop.c"
    ],
    "versions": [
      {
        "version": "5.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.258",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.209",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.175",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.141",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.91",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.33",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.10",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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