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CVE-2026-72451 xfrm: Fix xfrm state cache insertion race

🗓️ 15 Aug 2026 05:56:59Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

Linux kernel xfrm state cache insertion race adds dead states to the cache before validity check under lock.

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_state.c"
    ],
    "versions": [
      {
        "version": "5e4334dc39443645415450163ff5ff1ee7e79784",
        "lessThan": "6dab4dec9a49121d079981ac913569f232c06b06",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "81a331a0e72ddc2f75092603d9577bd1a0ca23ad",
        "lessThan": "a1a3360a0c44b8b5c134db2a9d0667b61c9cf523",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "81a331a0e72ddc2f75092603d9577bd1a0ca23ad",
        "lessThan": "041859fd55c81ea55e76d051e39b7b79975b8c7d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "81a331a0e72ddc2f75092603d9577bd1a0ca23ad",
        "lessThan": "ddd3d0132920319ac426e12456013eadbae67e15",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6.12.13",
        "lessThan": "6.12.97",
        "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/xfrm/xfrm_state.c"
    ],
    "versions": [
      {
        "version": "6.13",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.13",
        "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",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Aug 2026 05:44Current
CVSS 3.19.8
EPSS0.00663
30