CVE-2026-53381

{"id": "CVE-2026-53381", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "548e1f2bac1d4df91a6138f26bb4ab00323fd948", "lessThan": "607a1d4c42f649e6197567c0448fd9ebb316cd42", "versionType": "git"}, {"status": "affected", "version": "cfd1aa3e2b71f3327cb373c45a897c9028c62b35", "lessThan": "1cc0e3a0c6499aaaa2f21a4fcbba388486afb25e", "versionType": "git"}, {"status": "affected", "version": "83b375c6efef69b1066ad2d79601221e7892745a", "lessThan": "0b809199ff87c44487e516a725dd4be2185712ce", "versionType": "git"}, {"status": "affected", "version": "bfd17b6138df0122a95989457d8e18ce0b86165e", "lessThan": "2181a09ba980f142650fb053666350ead4471cfe", "versionType": "git"}, {"status": "affected", "version": "b26923512dbe57ae4917bafd31396d22a9d1691a", "lessThan": "97c4691653d145dcc699eca5d3aba3219a520f1f", "versionType": "git"}, {"status": "affected", "version": "26e5c67deb2e1f42a951f022fdf5b9f7eb747b01", "lessThan": "2abfd3ffbd9452f72535d96ff3982b3ab1f8f2f9", "versionType": "git"}, {"status": "affected", "version": "26e5c67deb2e1f42a951f022fdf5b9f7eb747b01", "lessThan": "39a2b95e008665c14f84e50ed411d898df7cd11b", "versionType": "git"}, {"status": "affected", "version": "26e5c67deb2e1f42a951f022fdf5b9f7eb747b01", "lessThan": "e09412a714bcd49375198427bb4aa005037a9d6f", "versionType": "git"}, {"status": "affected", "version": "26e5c67deb2e1f42a951f022fdf5b9f7eb747b01", "lessThan": "06b41351779e9289e8785694ade9042ae85e41ea", "versionType": "git"}, {"status": "affected", "version": "f19a1390af448d9e193c08e28ea5f727bf3c3049", "versionType": "git"}, {"status": "affected", "version": "5.10.246", "lessThan": "5.10.260", "versionType": "semver"}, {"status": "affected", "version": "5.15.196", "lessThan": "5.15.211", "versionType": "semver"}, {"status": "affected", "version": "6.1.158", "lessThan": "6.1.177", "versionType": "semver"}, {"status": "affected", "version": "6.6.115", "lessThan": "6.6.144", "versionType": "semver"}, {"status": "affected", "version": "6.12.54", "lessThan": "6.12.95", "versionType": "semver"}, {"status": "affected", "version": "6.17.4", "lessThan": "6.18", "versionType": "semver"}], "programFiles": ["fs/fuse/file.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"status": "unaffected", "version": "0", "lessThan": "6.18", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.260", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.211", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.177", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.144", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.95", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.37", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.0.14", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1.2", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2-rc1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/fuse/file.c"], "defaultStatus": "affected"}]}], "published": "2026-07-19T12:16:48.807", "references": [{"url": "https://git.kernel.org/stable/c/06b41351779e9289e8785694ade9042ae85e41ea", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/0b809199ff87c44487e516a725dd4be2185712ce", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1cc0e3a0c6499aaaa2f21a4fcbba388486afb25e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2181a09ba980f142650fb053666350ead4471cfe", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2abfd3ffbd9452f72535d96ff3982b3ab1f8f2f9", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/39a2b95e008665c14f84e50ed411d898df7cd11b", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/607a1d4c42f649e6197567c0448fd9ebb316cd42", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/97c4691653d145dcc699eca5d3aba3219a520f1f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e09412a714bcd49375198427bb4aa005037a9d6f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtiofs: fix UAF on submount umount\n\niput() called from fuse_release_end() can Oops if the super block has\nalready been destroyed. Normally this is prevented by waiting for\nnum_waiting to go down to zero before commencing with super block shutdown.\n\nThis only works, however, for the last submount instance, as the wait\ncounter is per connection, not per superblock.\n\nRevert to using synchronous release requests for the auto_submounts case,\nwhich is virtiofs only at this time."}], "lastModified": "2026-07-29T16:19:35.773", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DECE3E82-AA55-4F8C-BD24-873FEE847389", "versionEndExcluding": "5.10.260", "versionStartIncluding": "5.10.246"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A5F70B02-7A9F-41FD-81F0-A3FF35A52360", "versionEndExcluding": "5.15.211", "versionStartIncluding": "5.15.196"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "53A7F2A5-D556-44C0-AE41-59697FC6DAF3", "versionEndExcluding": "6.1.177", "versionStartIncluding": "6.1.158"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6F934316-BF34-4E24-A2B0-B2D644912175", "versionEndExcluding": "6.6.144", "versionStartIncluding": "6.6.115"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1A0CFEB-D5EE-4964-8EE5-AA5FABB15C17", "versionEndExcluding": "6.12.95", "versionStartIncluding": "6.12.54"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D3F07DC9-6CD1-42C8-9C17-C0FF22E4D7C5", "versionEndExcluding": "6.18.37", "versionStartIncluding": "6.17.4"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6241DF06-E6F3-4B61-B5A2-A60F2AE5B982", "versionEndExcluding": "7.0.14", "versionStartIncluding": "6.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C18FAA06-B61A-4036-A12D-F06F5135E64B", "versionEndExcluding": "7.1.2", "versionStartIncluding": "7.1"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}