{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2025-68282",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-16T14:48:05.291Z",
        "datePublished": "2025-12-16T15:06:04.332Z",
        "dateUpdated": "2026-05-11T21:50:08.718Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T21:50:08.718Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: udc: fix use-after-free in usb_gadget_state_work\n\nA race condition during gadget teardown can lead to a use-after-free\nin usb_gadget_state_work(), as reported by KASAN:\n\n  BUG: KASAN: invalid-access in sysfs_notify+0x2c/0xd0\n  Workqueue: events usb_gadget_state_work\n\nThe fundamental race occurs because a concurrent event (e.g., an\ninterrupt) can call usb_gadget_set_state() and schedule gadget->work\nat any time during the cleanup process in usb_del_gadget().\n\nCommit 399a45e5237c (\"usb: gadget: core: flush gadget workqueue after\ndevice removal\") attempted to fix this by moving flush_work() to after\ndevice_del(). However, this does not fully solve the race, as a new\nwork item can still be scheduled *after* flush_work() completes but\nbefore the gadget's memory is freed, leading to the same use-after-free.\n\nThis patch fixes the race condition robustly by introducing a 'teardown'\nflag and a 'state_lock' spinlock to the usb_gadget struct. The flag is\nset during cleanup in usb_del_gadget() *before* calling flush_work() to\nprevent any new work from being scheduled once cleanup has commenced.\nThe scheduling site, usb_gadget_set_state(), now checks this flag under\nthe lock before queueing the work, thus safely closing the race window."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/gadget/udc/core.c",
                        "include/linux/usb/gadget.h"
                    ],
                    "versions": [
                        {
                            "version": "5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15",
                            "lessThan": "dddc944d65169b552e09cb54e3ed4fbb9ea26416",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15",
                            "lessThan": "eee16f3ff08e759ea828bdf7dc1c0ef2f22134f5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15",
                            "lessThan": "c12a0c3ef815ddd67e47f9c819f9fe822fed5467",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15",
                            "lessThan": "f02a412c0a18f02f0f91b0a3d9788315a721b7fd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15",
                            "lessThan": "10014310193cf6736c1aeb4105c5f4a0818d0c65",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15",
                            "lessThan": "3b32caa73d135eea8fb9cabb45e9fc64c5a3ecb9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5702f75375aa9ecf8ad3431aef3fe6ce8c8dbd15",
                            "lessThan": "baeb66fbd4201d1c4325074e78b1f557dff89b5b",
                            "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/gadget/udc/core.c",
                        "include/linux/usb/gadget.h"
                    ],
                    "versions": [
                        {
                            "version": "3.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.248",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.198",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.159",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.119",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.61",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.17.11",
                            "lessThanOrEqual": "6.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18",
                            "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": "3.12",
                                    "versionEndExcluding": "5.10.248"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.12",
                                    "versionEndExcluding": "5.15.198"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.12",
                                    "versionEndExcluding": "6.1.159"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionStartIncluding": "3.12",
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                                },
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.12",
                                    "versionEndExcluding": "6.18"
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/dddc944d65169b552e09cb54e3ed4fbb9ea26416"
                },
                {
                    "url": "https://git.kernel.org/stable/c/eee16f3ff08e759ea828bdf7dc1c0ef2f22134f5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c12a0c3ef815ddd67e47f9c819f9fe822fed5467"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f02a412c0a18f02f0f91b0a3d9788315a721b7fd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/10014310193cf6736c1aeb4105c5f4a0818d0c65"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3b32caa73d135eea8fb9cabb45e9fc64c5a3ecb9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/baeb66fbd4201d1c4325074e78b1f557dff89b5b"
                }
            ],
            "title": "usb: gadget: udc: fix use-after-free in usb_gadget_state_work",
            "x_generator": {
                "engine": "bippy-1.2.0"
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}