{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50725",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-24T12:20:40.330Z",
        "datePublished": "2025-12-24T12:22:46.939Z",
        "dateUpdated": "2026-05-11T19:24:18.626Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:24:18.626Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: vidtv: Fix use-after-free in vidtv_bridge_dvb_init()\n\nKASAN reports a use-after-free:\nBUG: KASAN: use-after-free in dvb_dmxdev_release+0x4d5/0x5d0 [dvb_core]\nCall Trace:\n ...\n dvb_dmxdev_release+0x4d5/0x5d0 [dvb_core]\n vidtv_bridge_probe+0x7bf/0xa40 [dvb_vidtv_bridge]\n platform_probe+0xb6/0x170\n ...\nAllocated by task 1238:\n ...\n dvb_register_device+0x1a7/0xa70 [dvb_core]\n dvb_dmxdev_init+0x2af/0x4a0 [dvb_core]\n vidtv_bridge_probe+0x766/0xa40 [dvb_vidtv_bridge]\n ...\nFreed by task 1238:\n dvb_register_device+0x6d2/0xa70 [dvb_core]\n dvb_dmxdev_init+0x2af/0x4a0 [dvb_core]\n vidtv_bridge_probe+0x766/0xa40 [dvb_vidtv_bridge]\n ...\n\nIt is because the error handling in vidtv_bridge_dvb_init() is wrong.\n\nFirst, vidtv_bridge_dmx(dev)_init() will clean themselves when fail, but\ngoto fail_dmx(_dev): calls release functions again, which causes\nuse-after-free.\n\nAlso, in fail_fe, fail_tuner_probe and fail_demod_probe, j = i will cause\nout-of-bound when i finished its loop (i == NUM_FE). And the loop\nreleasing is wrong, although now NUM_FE is 1 so it won't cause problem.\n\nFix this by correctly releasing everything."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/media/test-drivers/vidtv/vidtv_bridge.c"
                    ],
                    "versions": [
                        {
                            "version": "f90cf6079bf67988f8b1ad1ade70fc89d0080905",
                            "lessThan": "0369af6fe33d4053899b121b32e91f870b2cf0ae",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f90cf6079bf67988f8b1ad1ade70fc89d0080905",
                            "lessThan": "c290aa527fd832d278c6388a3ba53a9890fbd74a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f90cf6079bf67988f8b1ad1ade70fc89d0080905",
                            "lessThan": "06398ce69571a43a8a0dd0f1bfe35d221f726a6a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f90cf6079bf67988f8b1ad1ade70fc89d0080905",
                            "lessThan": "8a204a0b4a0d105229735222c515759ea2b126c1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f90cf6079bf67988f8b1ad1ade70fc89d0080905",
                            "lessThan": "ba8d9405935097e296bcf7a942c3a01df0edb865",
                            "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/test-drivers/vidtv/vidtv_bridge.c"
                    ],
                    "versions": [
                        {
                            "version": "5.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.163",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.86",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.16",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.2",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "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": "5.10",
                                    "versionEndExcluding": "5.10.163"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "5.15.86"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "6.0.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.10",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0369af6fe33d4053899b121b32e91f870b2cf0ae"
                },
                {
                    "url": "https://git.kernel.org/stable/c/c290aa527fd832d278c6388a3ba53a9890fbd74a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/06398ce69571a43a8a0dd0f1bfe35d221f726a6a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/8a204a0b4a0d105229735222c515759ea2b126c1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ba8d9405935097e296bcf7a942c3a01df0edb865"
                }
            ],
            "title": "media: vidtv: Fix use-after-free in vidtv_bridge_dvb_init()",
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}