{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49686",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:21:30.441Z",
        "datePublished": "2025-02-26T02:24:12.624Z",
        "dateUpdated": "2026-05-11T19:04:44.109Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:04:44.109Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: gadget: uvc: fix list double add in uvcg_video_pump\n\nA panic can occur if the endpoint becomes disabled and the\nuvcg_video_pump adds the request back to the req_free list after it has\nalready been queued to the endpoint. The endpoint complete will add the\nrequest back to the req_free list. Invalidate the local request handle\nonce it's been queued.\n\n<6>[  246.796704][T13726] configfs-gadget gadget: uvc: uvc_function_set_alt(1, 0)\n<3>[  246.797078][   T26] list_add double add: new=ffffff878bee5c40, prev=ffffff878bee5c40, next=ffffff878b0f0a90.\n<6>[  246.797213][   T26] ------------[ cut here ]------------\n<2>[  246.797224][   T26] kernel BUG at lib/list_debug.c:31!\n<6>[  246.807073][   T26] Call trace:\n<6>[  246.807180][   T26]  uvcg_video_pump+0x364/0x38c\n<6>[  246.807366][   T26]  process_one_work+0x2a4/0x544\n<6>[  246.807394][   T26]  worker_thread+0x350/0x784\n<6>[  246.807442][   T26]  kthread+0x2ac/0x320"
                }
            ],
            "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/uvc_video.c"
                    ],
                    "versions": [
                        {
                            "version": "f9897ec0f6d34e8b2bc2f4c8ab8789351090f3d2",
                            "lessThan": "d95ac8b920de1d39525fadc408ce675697626ca6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f9897ec0f6d34e8b2bc2f4c8ab8789351090f3d2",
                            "lessThan": "96163f835e65f8c9897487fac965819f0651d671",
                            "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/function/uvc_video.c"
                    ],
                    "versions": [
                        {
                            "version": "5.16",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.16",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.8",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19",
                            "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": "5.16",
                                    "versionEndExcluding": "5.18.8"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.16",
                                    "versionEndExcluding": "5.19"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/d95ac8b920de1d39525fadc408ce675697626ca6"
                },
                {
                    "url": "https://git.kernel.org/stable/c/96163f835e65f8c9897487fac965819f0651d671"
                }
            ],
            "title": "usb: gadget: uvc: fix list double add in uvcg_video_pump",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}