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CVE-2026-68379 tcp: fix TIME_WAIT socket reference leak on PSP policy failure

🗓️ 10 Aug 2026 12:03:57Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

Linux kernel fixes TIME_WAIT reference leak on PSP policy failure in IPv4 and IPv6 paths.

Related
Affected
Refs
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/tcp_ipv4.c",
      "net/ipv6/tcp_ipv6.c"
    ],
    "versions": [
      {
        "version": "659a2899a57da59f433182eba571881884d6323e",
        "lessThan": "e666af5dcc905ba694745963174d232deb478c55",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "659a2899a57da59f433182eba571881884d6323e",
        "lessThan": "374742a961becbbfc7fbfd1382d978a05e492741",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "659a2899a57da59f433182eba571881884d6323e",
        "lessThan": "2c1931a81122c3cdc4c89448fe0442c69e21c0d5",
        "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/ipv4/tcp_ipv4.c",
      "net/ipv6/tcp_ipv6.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.42",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.6",
        "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 05:04Current
CVSS 3.17.5
EPSS0.00601
37