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CVE-2026-63919 xfrm: input: hold netns during deferred transport reinjection

🗓️ 19 Jul 2026 14:55:22Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 35 Views

Fix netns lifetime in xfrm deferred reinjection by holding netns during work and releasing after callback.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/xfrm/xfrm_input.c"
    ],
    "versions": [
      {
        "version": "7b3801927e52f8621de311277f7fc727635019e7",
        "lessThan": "7ee59eda8820b758ed29e1cd3222359c7b97302c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7b3801927e52f8621de311277f7fc727635019e7",
        "lessThan": "2df7059a18afb7d3aee6c36cad5d371c198111d4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7b3801927e52f8621de311277f7fc727635019e7",
        "lessThan": "8dfabcba6a943a7a02ebe1e1637c361ba96acbaa",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7b3801927e52f8621de311277f7fc727635019e7",
        "lessThan": "48ce101cd630d6745b6923b5bad8358bc4c119da",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7b3801927e52f8621de311277f7fc727635019e7",
        "lessThan": "55ddfc41451f01c588089cd74957a05311b6f202",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7b3801927e52f8621de311277f7fc727635019e7",
        "lessThan": "9f7ebb45a83afc3216e855e57d51bb4bc9b5232e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7b3801927e52f8621de311277f7fc727635019e7",
        "lessThan": "9f67a36e91bb50d358760f381f233913fe5c09f8",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "7b3801927e52f8621de311277f7fc727635019e7",
        "lessThan": "c16f74dc1d75d0e2e7670076d5375deda110ebeb",
        "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/xfrm/xfrm_input.c"
    ],
    "versions": [
      {
        "version": "5.6",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.6",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.259",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.210",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.176",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.143",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.93",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.35",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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