{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "f90cf6079bf67988f8b1ad1ade70fc89d0080905"
            },
            {
              "fixed": "0369af6fe33d4053899b121b32e91f870b2cf0ae"
            },
            {
              "fixed": "c290aa527fd832d278c6388a3ba53a9890fbd74a"
            },
            {
              "fixed": "06398ce69571a43a8a0dd0f1bfe35d221f726a6a"
            },
            {
              "fixed": "8a204a0b4a0d105229735222c515759ea2b126c1"
            },
            {
              "fixed": "ba8d9405935097e296bcf7a942c3a01df0edb865"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5.10.0"
            },
            {
              "fixed": "5.10.163"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.86"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.0.16"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.1.0"
            },
            {
              "fixed": "6.1.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50725.json"
  },
  "details": "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.",
  "id": "CVE-2022-50725",
  "modified": "2026-04-01T23:08:18.427772580Z",
  "published": "2025-12-24T12:22:46.939Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0369af6fe33d4053899b121b32e91f870b2cf0ae"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/06398ce69571a43a8a0dd0f1bfe35d221f726a6a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8a204a0b4a0d105229735222c515759ea2b126c1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ba8d9405935097e296bcf7a942c3a01df0edb865"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c290aa527fd832d278c6388a3ba53a9890fbd74a"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50725.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50725"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.3",
  "summary": "media: vidtv: Fix use-after-free in vidtv_bridge_dvb_init()"
}