CVE-2026-53362 ipv6: account for fraggap on the paged allocation path

🗓️ 04 Jul 2026 11:56:35Reported by LinuxType

Fix ipv6 fraggap handling in paged allocation to prevent overrun via message more and message splice pages.

Reporter	Title	Published	Views	Family All 8
ATTACKERKB	CVE-2026-53362	4 Jul 202611:56	–	attackerkb
Circl	CVE-2026-53362	4 Jul 202619:57	–	circl
CVE	CVE-2026-53362	4 Jul 202611:56	–	cve
Debian CVE	CVE-2026-53362	4 Jul 202611:56	–	debiancve
EUVD	EUVD-2026-41669	4 Jul 202611:56	–	euvd
NVD	CVE-2026-53362	4 Jul 202612:17	–	nvd
OSV	DEBIAN-CVE-2026-53362	4 Jul 202613:48	–	osv
Positive Technologies	PT-2026-55700	4 Jul 202600:00	–	ptsecurity

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv6/ip6_output.c"
    ],
    "versions": [
      {
        "version": "773ba4fe9104a64a54d1c00f0fb6ffb95def2b03",
        "lessThan": "14200d435af9a9eeb444f529fc2f689a236b7962",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "773ba4fe9104a64a54d1c00f0fb6ffb95def2b03",
        "lessThan": "65fb14cbebb0cd0eff903a22d33537ddc8b95769",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "773ba4fe9104a64a54d1c00f0fb6ffb95def2b03",
        "lessThan": "46f201f8b4c39633a1fa3dc12459f506d470993d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "773ba4fe9104a64a54d1c00f0fb6ffb95def2b03",
        "lessThan": "6374fb9edf72c67a118a2c214a0dddd04c921e0a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "773ba4fe9104a64a54d1c00f0fb6ffb95def2b03",
        "lessThan": "e9eacf19281ea2498b36291b56c9606118c2d74e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "773ba4fe9104a64a54d1c00f0fb6ffb95def2b03",
        "lessThan": "736b380e28d0480c7bc3e022f1950f31fe53a7c5",
        "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/ipv6/ip6_output.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.177",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.144",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.95",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.38",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.3",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/46f201f8b4c39633a1fa3dc12459f506d470993d
git	www.git.kernel.org/stable/c/736b380e28d0480c7bc3e022f1950f31fe53a7c5
git	www.git.kernel.org/stable/c/14200d435af9a9eeb444f529fc2f689a236b7962
git	www.git.kernel.org/stable/c/e9eacf19281ea2498b36291b56c9606118c2d74e
git	www.git.kernel.org/stable/c/6374fb9edf72c67a118a2c214a0dddd04c921e0a
git	www.git.kernel.org/stable/c/65fb14cbebb0cd0eff903a22d33537ddc8b95769

04 Jul 2026 11:56Current