{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-23347",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-01-13T15:37:45.999Z",
        "datePublished": "2026-03-25T10:27:33.753Z",
        "dateUpdated": "2026-05-11T22:05:06.123Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T22:05:06.123Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncan: usb: f81604: correctly anchor the urb in the read bulk callback\n\nWhen submitting an urb, that is using the anchor pattern, it needs to be\nanchored before submitting it otherwise it could be leaked if\nusb_kill_anchored_urbs() is called.  This logic is correctly done\nelsewhere in the driver, except in the read bulk callback so do that\nhere also."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/can/usb/f81604.c"
                    ],
                    "versions": [
                        {
                            "version": "88da17436973e463bed59bea79771fb03a21555e",
                            "lessThan": "54ee74307165b348b2fddcd7942eb48fb4ee1237",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "88da17436973e463bed59bea79771fb03a21555e",
                            "lessThan": "c001214e12202338425d6dda5d2a1919d674282d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "88da17436973e463bed59bea79771fb03a21555e",
                            "lessThan": "f6d80b104f904a6da922907394eec66d3e2ffc57",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "88da17436973e463bed59bea79771fb03a21555e",
                            "lessThan": "7724645c4792914cd07f36718816c5369cc57970",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "88da17436973e463bed59bea79771fb03a21555e",
                            "lessThan": "952caa5da10bed22be09612433964f6877ba0dde",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/can/usb/f81604.c"
                    ],
                    "versions": [
                        {
                            "version": "6.5",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.5",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.130",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.77",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.17",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.7",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "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": "6.5",
                                    "versionEndExcluding": "6.6.130"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.5",
                                    "versionEndExcluding": "6.12.77"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.5",
                                    "versionEndExcluding": "6.18.17"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.5",
                                    "versionEndExcluding": "6.19.7"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.5",
                                    "versionEndExcluding": "7.0"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/54ee74307165b348b2fddcd7942eb48fb4ee1237"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c001214e12202338425d6dda5d2a1919d674282d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f6d80b104f904a6da922907394eec66d3e2ffc57"
                },
                {
                    "url": "https://git.kernel.org/stable/c/7724645c4792914cd07f36718816c5369cc57970"
                },
                {
                    "url": "https://git.kernel.org/stable/c/952caa5da10bed22be09612433964f6877ba0dde"
                }
            ],
            "title": "can: usb: f81604: correctly anchor the urb in the read bulk callback",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}