CVE-2026-64298

🗓️ 25 Jul 2026 08:49:35Reported by LinuxType

Linux kernel NFSv4 fix: include write in open mask when O_TRUNC to enforce truncation rights.

Reporter	Title	Published	Views	Family All 10
Cvelist	CVE-2026-64298 NFSv4: include MAY_WRITE in open permission mask for O_TRUNC	25 Jul 202608:49	–	cvelist
Debian CVE	CVE-2026-64298	25 Jul 202608:49	–	debiancve
EUVD	EUVD-2026-49010	25 Jul 202608:49	–	euvd
NVD	CVE-2026-64298	25 Jul 202610:17	–	nvd
OSV	CVE-2026-64298 NFSv4: include MAY_WRITE in open permission mask for O_TRUNC	25 Jul 202608:49	–	osv
OSV	DEBIAN-CVE-2026-64298	25 Jul 202610:17	–	osv
OSV	ECHO-1CE1-419A-8EC0	26 Jul 202602:26	–	osv
Positive Technologies	PT-2026-64519	25 Jul 202600:00	–	ptsecurity
SUSE CVE	SUSE CVE-2026-64298	25 Jul 202616:46	–	susecve
Tenable Nessus	Linux Distros Unpatched Vulnerability : CVE-2026-64298	25 Jul 202600:00	–	nessus

Vulners

CNA

Node

linux linux_kernelRange2.6.24–5.10.261

linux linux_kernelRange5.11.0–5.15.212

linux linux_kernelRange5.16.0–6.1.178

linux linux_kernelRange6.2.0–6.6.145

linux linux_kernelRange6.7.0–6.12.96

linux linux_kernelRange6.13.0–6.18.39

linux linux_kernelRange6.19.0–7.1.4

linux linux_kernelRange7.2.0–7.2-rc3

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/nfs/dir.c"
    ],
    "versions": [
      {
        "version": "af22f94ae02ab9dd4fd7fe628c8434a59cc293be",
        "lessThan": "4817c8974315b666e895b7d1bb83cd3664c323b1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "af22f94ae02ab9dd4fd7fe628c8434a59cc293be",
        "lessThan": "cb148a2762d644bff1894728e8835a9a4b84f9ea",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "af22f94ae02ab9dd4fd7fe628c8434a59cc293be",
        "lessThan": "30fdf4df6c3c00efec947e4ddf97f0fdd4473628",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "af22f94ae02ab9dd4fd7fe628c8434a59cc293be",
        "lessThan": "22c1fd1355ad4ca27aa7f0fa02719122dd92d9de",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "af22f94ae02ab9dd4fd7fe628c8434a59cc293be",
        "lessThan": "6bd7d0a06b53c4e797e1a9cea0d2d41aa1b26230",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "af22f94ae02ab9dd4fd7fe628c8434a59cc293be",
        "lessThan": "a937e92c1d00534b5c2e3e9f4381b7e988180797",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "af22f94ae02ab9dd4fd7fe628c8434a59cc293be",
        "lessThan": "e36501b7d4abdcd6d69a7cb901b2f286b7a3d041",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "af22f94ae02ab9dd4fd7fe628c8434a59cc293be",
        "lessThan": "5140f099ecd8a2f2808b7f7b720ee1bad8468974",
        "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/nfs/dir.c"
    ],
    "versions": [
      {
        "version": "2.6.24",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "2.6.24",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.96",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.4",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc3",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/cb148a2762d644bff1894728e8835a9a4b84f9ea
git	www.git.kernel.org/stable/c/6bd7d0a06b53c4e797e1a9cea0d2d41aa1b26230
git	www.git.kernel.org/stable/c/5140f099ecd8a2f2808b7f7b720ee1bad8468974
git	www.git.kernel.org/stable/c/30fdf4df6c3c00efec947e4ddf97f0fdd4473628
git	www.git.kernel.org/stable/c/4817c8974315b666e895b7d1bb83cd3664c323b1
git	www.git.kernel.org/stable/c/e36501b7d4abdcd6d69a7cb901b2f286b7a3d041
git	www.git.kernel.org/stable/c/22c1fd1355ad4ca27aa7f0fa02719122dd92d9de
git	www.git.kernel.org/stable/c/a937e92c1d00534b5c2e3e9f4381b7e988180797

25 Jul 2026 10:17Current

5.8Medium risk

Vulners AI Score5.8

EPSS0.0022