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CVE-2026-74581 net: ipv6: clear suppressed fib6 rule result

🗓️ 21 Aug 2026 16:31:54Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 12 Views

Linux kernel IPv6 fib6_rule_suppress leaves stale rt6 pointer causing use-after-free in lookup.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-74581
21 Aug 202623:15
circl
cve
CVE
CVE-2026-74581
21 Aug 202616:31
cve
debiancve
Debian CVE
CVE-2026-74581
21 Aug 202616:31
debiancve
euvd
EUVD
EUVD-2026-64003
21 Aug 202616:31
euvd
nvd
NVD
CVE-2026-74581
21 Aug 202617:16
nvd
osv
OSV
DEBIAN-CVE-2026-74581
21 Aug 202617:16
osv
ptsecurity
Positive Technologies
PT-2026-79402
21 Aug 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-74581
21 Aug 202617:57
redhatcve
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/fib6_rules.c"
    ],
    "versions": [
      {
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      },
      {
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        "lessThan": "5d29b286c9de0b309e94b9ed083aa1a2f429434f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cdef485217d30382f3bf6448c54b4401648fe3f1",
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      },
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      },
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      },
      {
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      },
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        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.7",
        "lessThan": "5.15.216",
        "status": "affected",
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      },
      {
        "version": "5.4.164",
        "lessThan": "5.5",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/fib6_rules.c"
    ],
    "versions": [
      {
        "version": "5.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.16",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.265",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.216",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.183",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.151",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.103",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.44",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.8",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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