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CVE-2026-98368 esp: downgrade zerocopy managed frags before mutating skb frags

🗓️ 06 Oct 2026 08:46:53Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 34 Views

ESP in Linux kernel manages zerocopy frags incorrectly, causing use-after-free and leaks.

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/esp4.c",
      "net/ipv6/esp6.c"
    ],
    "versions": [
      {
        "version": "753f1ca4e1e50248a1b760c9774d6d6b354562cc",
        "lessThan": "2359264f377cdbdef2d95868cc8fb572949e48d3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "753f1ca4e1e50248a1b760c9774d6d6b354562cc",
        "lessThan": "69a768c12398cada8528080332c822623fa7064d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "753f1ca4e1e50248a1b760c9774d6d6b354562cc",
        "lessThan": "6508304ac2c8cdafca2f4ab915df8c707893e134",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "753f1ca4e1e50248a1b760c9774d6d6b354562cc",
        "lessThan": "6cab554f2c0f28773f712ed3a5479103f42ce844",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "753f1ca4e1e50248a1b760c9774d6d6b354562cc",
        "lessThan": "0d0845ee61c5df47cc68bc446501f48f71e8dcc6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "753f1ca4e1e50248a1b760c9774d6d6b354562cc",
        "lessThan": "f89416eb3db151170a6f3c6dfc5239d26cdce4d2",
        "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/esp4.c",
      "net/ipv6/esp6.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.189",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.158",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.112",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.54",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2.8",
        "lessThanOrEqual": "7.2.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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