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CVE-2026-63833 ntfs3: reject direct userspace writes to reserved $LX* xattrs

🗓️ 19 Jul 2026 12:02:25Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 36 Views

ntfs3 rejects direct writes to reserved $LX* xattrs to prevent root escalation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-63833
19 Jul 202612:02
attackerkb
circl
Circl
CVE-2026-63833
19 Jul 202616:20
circl
cve
CVE
CVE-2026-63833
19 Jul 202612:02
cve
debian
Debian
[SECURITY] [DLA 4700-1] linux-6.1 security update
26 Jul 202610:42
debian
debiancve
Debian CVE
CVE-2026-63833
19 Jul 202612:02
debiancve
nessus
Tenable Nessus
Debian dla-4700 : linux-config-6.1 - security update
26 Jul 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0916
9 Jul 202600:00
nessus
nessus
Tenable Nessus
Photon OS 5.0: Linux PHSA-2026-5.0-0926
24 Jul 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-63833
19 Jul 202600:00
nessus
euvd
EUVD
EUVD-2026-45499
19 Jul 202612:02
euvd
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/ntfs3/xattr.c"
    ],
    "versions": [
      {
        "version": "be71b5cba2e6485e8959da7a9f9a44461a1bb074",
        "lessThan": "e574af95234afc3c725988bbc1fdeb46b9f386a4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be71b5cba2e6485e8959da7a9f9a44461a1bb074",
        "lessThan": "2c3cd6da4a14380ef79e34bd9dff7caf46687477",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be71b5cba2e6485e8959da7a9f9a44461a1bb074",
        "lessThan": "e8852ae29868e449fdb47eebc28f35fb80741a5f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be71b5cba2e6485e8959da7a9f9a44461a1bb074",
        "lessThan": "f8d420949b335a4b51d06ab276beee6b8dfdc909",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be71b5cba2e6485e8959da7a9f9a44461a1bb074",
        "lessThan": "5e658b9245a52d838ef93729a7bc07de8e19deb7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be71b5cba2e6485e8959da7a9f9a44461a1bb074",
        "lessThan": "293a84fa40b3a1b3471c0545722724bc10973f76",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "be71b5cba2e6485e8959da7a9f9a44461a1bb074",
        "lessThan": "5b08dccecf825cbf905f348bc6ccb497507e28e2",
        "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/ntfs3/xattr.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.211",
        "lessThanOrEqual": "5.15.*",
        "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"
      }
    ]
  }
]

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05 Aug 2026 12:36Current
CVSS 3.17.1
EPSS0.00125
36