CVE-2026-53366

🗓️ 16 Jul 2026 05:13:40Reported by LinuxType

Linux kernel fix: ipv4 fraggap handling in paged allocation path adjusts alloclen and pagedlen to prevent -fraggap collapse and removes stale comment.

Reporter	Title	Published	Views	Family All 8
attackerkb	CVE-2026-53366	16 Jul 202605:13	–	attackerkb
circl	CVE-2026-53366	16 Jul 202607:43	–	circl
cvelist	CVE-2026-53366 ipv4: account for fraggap on the paged allocation path	16 Jul 202605:13	–	cvelist
euvd	EUVD-2026-44868	16 Jul 202605:13	–	euvd
nvd	CVE-2026-53366	16 Jul 202606:16	–	nvd
osv	DEBIAN-CVE-2026-53366	16 Jul 202606:16	–	osv
osv	UBUNTU-CVE-2026-53366	16 Jul 202600:00	–	osv
ptsecurity	PT-2026-60411	16 Jul 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange6.0–6.6.144

linux linux_kernelRange6.7.0–6.12.95

linux linux_kernelRange6.13.0–6.18.38

linux linux_kernelRange6.19.0–7.1.3

linux linux_kernelRange7.2.0–7.2-rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/ipv4/ip_output.c"
    ],
    "versions": [
      {
        "version": "8eb77cc73977d88787b37c92831b1c242e035396",
        "lessThan": "ce494707a9c07f27c219ca67f3e138061f53d9b3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8eb77cc73977d88787b37c92831b1c242e035396",
        "lessThan": "a9c24eda24bd15f432e37824e6fc440977cb241c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8eb77cc73977d88787b37c92831b1c242e035396",
        "lessThan": "77798d7be6ef71e72fb6fc8a2901bf74ebc9706f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8eb77cc73977d88787b37c92831b1c242e035396",
        "lessThan": "c04d9ece23deb9e26c19f9ca215e98b3295aa1bb",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8eb77cc73977d88787b37c92831b1c242e035396",
        "lessThan": "eca856950f7cb1a221e02b99d758409f2c5cec42",
        "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/ip_output.c"
    ],
    "versions": [
      {
        "version": "6.0",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.0",
        "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/c04d9ece23deb9e26c19f9ca215e98b3295aa1bb
git	www.git.kernel.org/stable/c/a9c24eda24bd15f432e37824e6fc440977cb241c
git	www.git.kernel.org/stable/c/77798d7be6ef71e72fb6fc8a2901bf74ebc9706f
git	www.git.kernel.org/stable/c/ce494707a9c07f27c219ca67f3e138061f53d9b3
git	www.git.kernel.org/stable/c/eca856950f7cb1a221e02b99d758409f2c5cec42

16 Jul 2026 17:16Current

6Medium risk

Vulners AI Score6