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CVE-2026-80733 net: remove WARN_ON_ONCE() from sk_mc_loop()

🗓️ 03 Sep 2026 08:21:50Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 1 Views

Linux kernel sk_mc_loop() triggers WARN_ON_ONCE for non-INET sockets causing spurious warnings.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-80733 net: remove WARN_ON_ONCE() from sk_mc_loop()
3 Sep 202608:21
cve
ptsecurity
Positive Technologies
PT-2026-84931
3 Sep 202600:00
ptsecurity
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/core/sock.c"
    ],
    "versions": [
      {
        "version": "f60e5990d9c1424af9dbca60a23ba2a1c7c1ce90",
        "lessThan": "97133c4d42654578fab95abe47359ebe784dde18",
        "status": "affected",
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      },
      {
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      },
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      },
      {
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      {
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      },
      {
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        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3.14.40",
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        "status": "affected",
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      },
      {
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      },
      {
        "version": "3.19.6",
        "lessThan": "3.20",
        "status": "affected",
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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/core/sock.c"
    ],
    "versions": [
      {
        "version": "4.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.0",
        "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": "6.6.152",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.104",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.45",
        "lessThanOrEqual": "6.18.*",
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      },
      {
        "version": "7.1.9",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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