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virtiofs: fix UAF on submount umount

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-53381

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "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",
                            "lessThan": "2181a09ba980f142650fb053666350ead4471cfe",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b26923512dbe57ae4917bafd31396d22a9d1691a",
                            "lessThan": "97c4691653d145dcc699eca5d3aba3219a520f1f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "26e5c67deb2e1f42a951f022fdf5b9f7eb747b01",
                            "lessThan": "2abfd3ffbd9452f72535d96ff3982b3ab1f8f2f9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "26e5c67deb2e1f42a951f022fdf5b9f7eb747b01",
                            "lessThan": "39a2b95e008665c14f84e50ed411d898df7cd11b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "26e5c67deb2e1f42a951f022fdf5b9f7eb747b01",
                            "lessThan": "e09412a714bcd49375198427bb4aa005037a9d6f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "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"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "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",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 8 Nov 20:02 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current