media: em28xx: fix use-after-free of dev_next->devlist on disconnect

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/media/usb/em28xx/em28xx-core.c"
                    ],
                    "versions": [
                        {
                            "version": "f410b4093fdd4d8f4644d3d486afe3040eceef7b",
                            "lessThan": "f61720346fdcc1a2deec59a2f6cbb0cc20d1dc18",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f410b4093fdd4d8f4644d3d486afe3040eceef7b",
                            "lessThan": "1ed575b1991f68569eb589b7747d3bc26aa6a8a2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f410b4093fdd4d8f4644d3d486afe3040eceef7b",
                            "lessThan": "da4b07da6281e39ce4c01e1227e036f3bf600e14",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f410b4093fdd4d8f4644d3d486afe3040eceef7b",
                            "lessThan": "20aacd87550be297dc39a3f9532dcfff91586510",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f410b4093fdd4d8f4644d3d486afe3040eceef7b",
                            "lessThan": "20c2c65f3d9f7c278dc9750531d3201ac8bf78b7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f410b4093fdd4d8f4644d3d486afe3040eceef7b",
                            "lessThan": "0782807552b6aff41b4656c6c9076a3231d3e79d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f410b4093fdd4d8f4644d3d486afe3040eceef7b",
                            "lessThan": "16cb1ee17e093175b4d9ae33202f68e5b108cca2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f410b4093fdd4d8f4644d3d486afe3040eceef7b",
                            "lessThan": "826915b6b65e2d3251e7248ea54289a22d748c84",
                            "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/media/usb/em28xx/em28xx-core.c"
                    ],
                    "versions": [
                        {
                            "version": "4.17",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.17",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.51",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.5",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }