{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-64345",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T15:36:31.781Z",
        "datePublished": "2026-07-25T08:50:07.069Z",
        "dateUpdated": "2026-08-17T04:53:49.464Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T04:53:49.464Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: f_printer: take kref only for successful open\n\nprinter_open() returns -EBUSY when the character device is already\nopen, but it increments dev->kref regardless of the return value. VFS\ndoes not call ->release() for a failed open, so every rejected second\nopen permanently leaks one reference.\n\nMove kref_get() into the successful-open branch."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/gadget/function/f_printer.c"
                    ],
                    "versions": [
                        {
                            "version": "e8d5f92b8d30bb4ade76494490c3c065e12411b1",
                            "lessThan": "94ec20d97aa51547965a539f660a1fe79c6929a3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e8d5f92b8d30bb4ade76494490c3c065e12411b1",
                            "lessThan": "75c0ad13e136961328253742501b4efc3988a587",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e8d5f92b8d30bb4ade76494490c3c065e12411b1",
                            "lessThan": "bf20c94fa6aaff945f0ae3a23f3212cd299f28d9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e8d5f92b8d30bb4ade76494490c3c065e12411b1",
                            "lessThan": "8a5eba992c862b0c94411eecf9b7121e8636db38",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e8d5f92b8d30bb4ade76494490c3c065e12411b1",
                            "lessThan": "7f1f24c367938c5537e2308bf9a965f051d14774",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e8d5f92b8d30bb4ade76494490c3c065e12411b1",
                            "lessThan": "30adce93d5c4a5a1ec29d9249e3fdfcc391d406b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "25c95c6bd4dc50a3c20de0fa7f450ea02b2320fc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4a47581cf010dc351d8069978080fdb000c0776d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d9fe88b2a38dc700bf5bd3a09c7cd11bbc248367",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cedb0187b8ba929c3f76f28e6bc25804d65f8a54",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "e9e791f5c39ab30e374a3b1a9c25ca7ff24988f3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "34f026263889e2827e04acdc3a0eb9ecbd191ef0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5f845e5d18d151230476cf90aa46449f69ba2ef1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "4.4.241",
                            "lessThan": "4.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.241",
                            "lessThan": "4.10",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.203",
                            "lessThan": "4.15",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.154",
                            "lessThan": "4.20",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.73",
                            "lessThan": "5.5",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.8.17",
                            "lessThan": "5.9",
                            "status": "affected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.9.2",
                            "lessThan": "5.10",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/gadget/function/f_printer.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.96",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.39",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.4",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "5.10.261"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "6.6.145"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "6.12.96"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "6.18.39"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "7.1.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "7.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.4.241"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.9.241"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.14.203"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19.154"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.4.73"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.8.17"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.9.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/94ec20d97aa51547965a539f660a1fe79c6929a3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/75c0ad13e136961328253742501b4efc3988a587"
                },
                {
                    "url": "https://git.kernel.org/stable/c/bf20c94fa6aaff945f0ae3a23f3212cd299f28d9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8a5eba992c862b0c94411eecf9b7121e8636db38"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7f1f24c367938c5537e2308bf9a965f051d14774"
                },
                {
                    "url": "https://git.kernel.org/stable/c/30adce93d5c4a5a1ec29d9249e3fdfcc391d406b"
                }
            ],
            "title": "usb: gadget: f_printer: take kref only for successful open",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}