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CVE-2026-74464 net: openvswitch: fix skb leak on flow key update failure during ct

🗓️ 15 Aug 2026 12:27:03Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

skb leak in openvswitch when ovs_flow_key_update() fails during connection tracking.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/openvswitch/actions.c"
    ],
    "versions": [
      {
        "version": "ec0d043d05e6e3c0c2fac5de922c800c027c6386",
        "lessThan": "b77126b2915900f69f9fcf5d624a77c8e6d50c31",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0d043d05e6e3c0c2fac5de922c800c027c6386",
        "lessThan": "6cc523eaee72c4e91894136cff64946ae9de2cda",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0d043d05e6e3c0c2fac5de922c800c027c6386",
        "lessThan": "22e0ca88090d89c128078062186b03bb5fdc4f98",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0d043d05e6e3c0c2fac5de922c800c027c6386",
        "lessThan": "736e972f3f8a304158345223ac6e816166a467ce",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0d043d05e6e3c0c2fac5de922c800c027c6386",
        "lessThan": "e84dfaac50aab45ad8c670da43e3aa1f97bd2a41",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0d043d05e6e3c0c2fac5de922c800c027c6386",
        "lessThan": "e0ba8eaef2a0d02a7a485e6a7157e47272b65cea",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0d043d05e6e3c0c2fac5de922c800c027c6386",
        "lessThan": "393f3c72600ab6721d732a0ab245bc896c5b28fc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ec0d043d05e6e3c0c2fac5de922c800c027c6386",
        "lessThan": "bc62e843bc48f933da765ce47079fd992e535794",
        "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/openvswitch/actions.c"
    ],
    "versions": [
      {
        "version": "4.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.3",
        "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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19 Aug 2026 16:37Current
EPSS0.00177
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