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CVE-2026-63953 mm/migrate_device: fix pgtable leak in migrate_vma_insert_huge_pmd_page

🗓️ 19 Jul 2026 14:55:45Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 26 Views

Fixed pgtable leak in migrate_vma_insert_huge_pmd_page after PMD check failure by freeing pgtable.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-63953
19 Jul 202614:55
cve
EUVD
EUVD-2026-45726
19 Jul 202614:55
euvd
NVD
CVE-2026-63953
19 Jul 202616:17
nvd
OSV
CVE-2026-63953 mm/migrate_device: fix pgtable leak in migrate_vma_insert_huge_pmd_page
19 Jul 202614:55
osv
OSV
DEBIAN-CVE-2026-63953
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-63953
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61270
19 Jul 202600:00
ptsecurity
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-63953
20 Jul 202600:00
nessus
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/migrate_device.c"
    ],
    "versions": [
      {
        "version": "a30b48bf1b244f11bf9b6d20cdccfe0c2264130c",
        "lessThan": "24861d04f197bb651e9dfb211978271c15f75a98",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a30b48bf1b244f11bf9b6d20cdccfe0c2264130c",
        "lessThan": "2c6f81d58741349298f51ff697d988cb42881453",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/migrate_device.c"
    ],
    "versions": [
      {
        "version": "6.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.12",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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