CVE-2026-64217

🗓️ 24 Jul 2026 15:23:05Reported by LinuxType

Linux kernel fix: netfs overrun check prevents including overfilled pages in the user iterator to avoid memory corruption.

Reporter	Title	Published	Views	Family All 6
ATTACKERKB	CVE-2026-64217	24 Jul 202615:23	–	attackerkb
Cvelist	CVE-2026-64217 netfs: Fix overrun check in netfs_extract_user_iter()	24 Jul 202615:23	–	cvelist
Debian CVE	CVE-2026-64217	24 Jul 202615:23	–	debiancve
EUVD	EUVD-2026-48625	24 Jul 202615:23	–	euvd
NVD	CVE-2026-64217	24 Jul 202616:16	–	nvd
Positive Technologies	PT-2026-64332	24 Jul 202600:00	–	ptsecurity

Vulners

CNA

Node

linux linux_kernelRange6.3–6.6.142

linux linux_kernelRange6.7.0–6.12.92

linux linux_kernelRange6.13.0–6.18.34

linux linux_kernelRange6.19.0–7.0.11

linux linux_kernelRange7.1.0≥

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/netfs/iterator.c"
    ],
    "versions": [
      {
        "version": "85dd2c8ff368b1446be9febde84afe1d7aec4261",
        "lessThan": "00efe58bbdcc93272d579ca24bfc912563f4a204",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "85dd2c8ff368b1446be9febde84afe1d7aec4261",
        "lessThan": "96cc3beb2390ba9f9c128c5733c0ccfe450dd4f9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "85dd2c8ff368b1446be9febde84afe1d7aec4261",
        "lessThan": "afeb32d9bf9aaeea51d0f723a19f14afb73bd94d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "85dd2c8ff368b1446be9febde84afe1d7aec4261",
        "lessThan": "f48b9157f0f611fa436c360648603d5ded719b12",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "85dd2c8ff368b1446be9febde84afe1d7aec4261",
        "lessThan": "0ef37eef83fad3542ee06db2940433ae1a92b39d",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/netfs/iterator.c"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.142",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.92",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.34",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.11",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/afeb32d9bf9aaeea51d0f723a19f14afb73bd94d
git	www.git.kernel.org/stable/c/96cc3beb2390ba9f9c128c5733c0ccfe450dd4f9
git	www.git.kernel.org/stable/c/00efe58bbdcc93272d579ca24bfc912563f4a204
git	www.git.kernel.org/stable/c/0ef37eef83fad3542ee06db2940433ae1a92b39d
git	www.git.kernel.org/stable/c/f48b9157f0f611fa436c360648603d5ded719b12

24 Jul 2026 16:16Current

5.8Medium risk

Vulners AI Score5.8