{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-64344",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T15:36:31.781Z",
        "datePublished": "2026-07-25T08:50:06.461Z",
        "dateUpdated": "2026-08-17T04:53:48.283Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-17T04:53:48.283Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: idmouse: fix use-after-free on disconnect race\n\nmutex_unlock() may access the mutex structure after releasing the lock\nand therefore cannot be used to manage lifetime of objects directly\n(unlike spinlocks and refcounts). [1][2]\n\nUse a kref to release the driver data to avoid use-after-free in\nmutex_unlock() when release() races with disconnect().\n\n[1] a51749ab34d9 (\"locking/mutex: Document that mutex_unlock() is\n                   non-atomic\")\n[2] 2b9d9e0a9ba0 (\"locking/mutex: Clarify that mutex_unlock(), and most\n                   other sleeping locks, can still use the lock object\n                   after it's unlocked\")"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/misc/idmouse.c"
                    ],
                    "versions": [
                        {
                            "version": "54d2bc068fd21bcb096660938bce7c7265613a24",
                            "lessThan": "31e75fed8f90cfea9f8285e7ed135b0e452bf872",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54d2bc068fd21bcb096660938bce7c7265613a24",
                            "lessThan": "8d53b14ad4ccbff6d306b3a39c812303f4a87d41",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54d2bc068fd21bcb096660938bce7c7265613a24",
                            "lessThan": "f62622e947f82a3854a8502d09492ffbdeb252b4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54d2bc068fd21bcb096660938bce7c7265613a24",
                            "lessThan": "60fc5ef4ecea3e3d1fe556cecf53ddd13096ef09",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54d2bc068fd21bcb096660938bce7c7265613a24",
                            "lessThan": "d0f61acb51a8c8f3fd41c303ddb7770cd83e7ed4",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54d2bc068fd21bcb096660938bce7c7265613a24",
                            "lessThan": "54c2b7356b4aeea467f9fb13b85e9e036bc428cb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54d2bc068fd21bcb096660938bce7c7265613a24",
                            "lessThan": "e88cff5fbaa629f3cab45c8b46f395d62c2eb515",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "54d2bc068fd21bcb096660938bce7c7265613a24",
                            "lessThan": "ff002c153f9722caece3983cc23dc4d9d4652cb4",
                            "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/usb/misc/idmouse.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.24",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.24",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "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": "2.6.24",
                                    "versionEndExcluding": "5.10.261"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "5.15.212"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "6.1.178"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "6.6.145"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "6.12.96"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "6.18.39"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "7.1.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "2.6.24",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/31e75fed8f90cfea9f8285e7ed135b0e452bf872"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8d53b14ad4ccbff6d306b3a39c812303f4a87d41"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f62622e947f82a3854a8502d09492ffbdeb252b4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/60fc5ef4ecea3e3d1fe556cecf53ddd13096ef09"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d0f61acb51a8c8f3fd41c303ddb7770cd83e7ed4"
                },
                {
                    "url": "https://git.kernel.org/stable/c/54c2b7356b4aeea467f9fb13b85e9e036bc428cb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e88cff5fbaa629f3cab45c8b46f395d62c2eb515"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ff002c153f9722caece3983cc23dc4d9d4652cb4"
                }
            ],
            "title": "USB: idmouse: fix use-after-free on disconnect race",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}