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CVE-2026-53381 virtiofs: fix UAF on submount umount

🗓️ 19 Jul 2026 11:59:30Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

CVE-2026-53381 fixes use-after-free in virtiofs submount umount by synchronous releases.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-53381
19 Jul 202611:59
attackerkb
Circl
CVE-2026-53381
20 Jul 202611:39
circl
CVE
CVE-2026-53381
19 Jul 202611:59
cve
EUVD
EUVD-2026-45503
19 Jul 202611:59
euvd
NVD
CVE-2026-53381
19 Jul 202612:16
nvd
OSV
CVE-2026-53381 virtiofs: fix UAF on submount umount
19 Jul 202611:59
osv
OSV
DEBIAN-CVE-2026-53381
19 Jul 202612:16
osv
OSV
UBUNTU-CVE-2026-53381
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61086
19 Jul 202600:00
ptsecurity
RedhatCVE
CVE-2026-53381
20 Jul 202613:44
redhatcve
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/fuse/file.c"
    ],
    "versions": [
      {
        "version": "548e1f2bac1d4df91a6138f26bb4ab00323fd948",
        "lessThan": "607a1d4c42f649e6197567c0448fd9ebb316cd42",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "cfd1aa3e2b71f3327cb373c45a897c9028c62b35",
        "lessThan": "1cc0e3a0c6499aaaa2f21a4fcbba388486afb25e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "83b375c6efef69b1066ad2d79601221e7892745a",
        "lessThan": "0b809199ff87c44487e516a725dd4be2185712ce",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "bfd17b6138df0122a95989457d8e18ce0b86165e",
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        "status": "affected",
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      },
      {
        "version": "b26923512dbe57ae4917bafd31396d22a9d1691a",
        "lessThan": "97c4691653d145dcc699eca5d3aba3219a520f1f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "26e5c67deb2e1f42a951f022fdf5b9f7eb747b01",
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        "status": "affected",
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      },
      {
        "version": "26e5c67deb2e1f42a951f022fdf5b9f7eb747b01",
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        "status": "affected",
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      },
      {
        "version": "26e5c67deb2e1f42a951f022fdf5b9f7eb747b01",
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        "status": "affected",
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      },
      {
        "version": "26e5c67deb2e1f42a951f022fdf5b9f7eb747b01",
        "lessThan": "06b41351779e9289e8785694ade9042ae85e41ea",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "f19a1390af448d9e193c08e28ea5f727bf3c3049",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.10.246",
        "lessThan": "5.10.260",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.15.196",
        "lessThan": "5.15.211",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.1.158",
        "lessThan": "6.1.177",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.6.115",
        "lessThan": "6.6.144",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.12.54",
        "lessThan": "6.12.95",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "6.17.4",
        "lessThan": "6.18",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/fuse/file.c"
    ],
    "versions": [
      {
        "version": "6.18",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.18",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.260",
        "lessThanOrEqual": "5.10.*",
        "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": "6.18.37",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.0.14",
        "lessThanOrEqual": "7.0.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.2",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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20 Jul 2026 13:39Current
CVSS 3.17.8
EPSS0.00195
29