{"api_version":"1","generated_at":"2026-10-29T10:15:02+00:00","cve":"CVE-2022-50745","urls":{"html":"https://cve.report/CVE-2022-50745","api":"https://cve.report/api/cve/CVE-2022-50745.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-50745","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-50745"},"summary":{"title":"staging: media: tegra-video: fix device_node use after free","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: media: tegra-video: fix device_node use after free\n\nAt probe time this code path is followed:\n\n * tegra_csi_init\n   * tegra_csi_channels_alloc\n     * for_each_child_of_node(node, channel) -- iterates over channels\n       * automatically gets 'channel'\n         * tegra_csi_channel_alloc()\n           * saves into chan->of_node a pointer to the channel OF node\n       * automatically gets and puts 'channel'\n       * now the node saved in chan->of_node has refcount 0, can disappear\n   * tegra_csi_channels_init\n     * iterates over channels\n       * tegra_csi_channel_init -- uses chan->of_node\n\nAfter that, chan->of_node keeps storing the node until the device is\nremoved.\n\nof_node_get() the node and of_node_put() it during teardown to avoid any\nrisk.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-12-24 13:16:01","updated_at":"2026-08-04 10:18:22"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/ce50c612458091d926ccb05d7db11d9f93532db2","name":"https://git.kernel.org/stable/c/ce50c612458091d926ccb05d7db11d9f93532db2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c4d344163c3a7f90712525f931a6c016bbb35e18","name":"https://git.kernel.org/stable/c/c4d344163c3a7f90712525f931a6c016bbb35e18","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5451efb2ca30f3c42b9efb8327ce35b62870dbd3","name":"https://git.kernel.org/stable/c/5451efb2ca30f3c42b9efb8327ce35b62870dbd3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6512c9498fcb97e7c760e3ef86b2272f2c0f765f","name":"https://git.kernel.org/stable/c/6512c9498fcb97e7c760e3ef86b2272f2c0f765f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0fd003d3c708c80350a815eaf37b8e1114b976cf","name":"https://git.kernel.org/stable/c/0fd003d3c708c80350a815eaf37b8e1114b976cf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-50745","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50745","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1ebaeb09830f36c1111b72a95420814225bd761c 5451efb2ca30f3c42b9efb8327ce35b62870dbd3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1ebaeb09830f36c1111b72a95420814225bd761c ce50c612458091d926ccb05d7db11d9f93532db2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1ebaeb09830f36c1111b72a95420814225bd761c 6512c9498fcb97e7c760e3ef86b2272f2c0f765f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 1ebaeb09830f36c1111b72a95420814225bd761c 0fd003d3c708c80350a815eaf37b8e1114b976cf git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nstaging: media: tegra-video: fix device_node use after free\n\nAt probe time this code path is followed:\n\n * tegra_csi_init\n   * tegra_csi_channels_alloc\n     * for_each_child_of_node(node, channel) -- iterates over channels\n       * automatically gets 'channel'\n         * tegra_csi_channel_alloc()\n           * saves into chan->of_node a pointer to the channel OF node\n       * automatically gets and puts 'channel'\n       * now the node saved in chan->of_node has refcount 0, can disappear\n   * tegra_csi_channels_init\n     * iterates over channels\n       * tegra_csi_channel_init -- uses chan->of_node\n\nAfter that, chan->of_node keeps storing the node until the device is\nremoved.\n\nof_node_get() the node and of_node_put() it during teardown to avoid any\nrisk."}],"metrics":[{"cvssV3_1":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-08-04T09:09:52.007Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/5451efb2ca30f3c42b9efb8327ce35b62870dbd3"},{"url":"https://git.kernel.org/stable/c/ce50c612458091d926ccb05d7db11d9f93532db2"},{"url":"https://git.kernel.org/stable/c/6512c9498fcb97e7c760e3ef86b2272f2c0f765f"},{"url":"https://git.kernel.org/stable/c/0fd003d3c708c80350a815eaf37b8e1114b976cf"},{"url":"https://git.kernel.org/stable/c/c4d344163c3a7f90712525f931a6c016bbb35e18"}],"title":"staging: media: tegra-video: fix device_node use after free","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2022-50745","datePublished":"2025-12-24T13:05:41.858Z","dateReserved":"2025-12-24T13:02:21.543Z","dateUpdated":"2026-08-04T09:09:52.007Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-12-24 13:16:01","lastModifiedDate":"2026-08-04 10:18:22","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2022","CveId":"50745","Ordinal":"1","Title":"staging: media: tegra-video: fix device_node use after free","CVE":"CVE-2022-50745","Year":"2022"},"notes":[{"CveYear":"2022","CveId":"50745","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: media: tegra-video: fix device_node use after free\n\nAt probe time this code path is followed:\n\n * tegra_csi_init\n   * tegra_csi_channels_alloc\n     * for_each_child_of_node(node, channel) -- iterates over channels\n       * automatically gets 'channel'\n         * tegra_csi_channel_alloc()\n           * saves into chan->of_node a pointer to the channel OF node\n       * automatically gets and puts 'channel'\n       * now the node saved in chan->of_node has refcount 0, can disappear\n   * tegra_csi_channels_init\n     * iterates over channels\n       * tegra_csi_channel_init -- uses chan->of_node\n\nAfter that, chan->of_node keeps storing the node until the device is\nremoved.\n\nof_node_get() the node and of_node_put() it during teardown to avoid any\nrisk.","Type":"Description","Title":"staging: media: tegra-video: fix device_node use after free"}]}}}