{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2022-50412",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-50412",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-09-18T16:03:56.159Z",
    "updatedAt": "2026-05-11T19:18:59.583Z",
    "importedAt": "2026-10-24T01:56:49.724Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "drm: bridge: adv7511: unregister cec i2c device after cec adapter",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: bridge: adv7511: unregister cec i2c device after cec adapter\n\ncec_unregister_adapter() assumes that the underlying adapter ops are\ncallable. For example, if the CEC adapter currently has a valid physical\naddress, then the unregistration procedure will invalidate the physical\naddress by setting it to f.f.f.f. Whence the following kernel oops\nobserved after removing the adv7511 module:\n\n    Unable to handle kernel execution of user memory at virtual address 0000000000000000\n    Internal error: Oops: 86000004 [#1] PREEMPT_RT SMP\n    Call trace:\n     0x0\n     adv7511_cec_adap_log_addr+0x1ac/0x1c8 [adv7511]\n     cec_adap_unconfigure+0x44/0x90 [cec]\n     __cec_s_phys_addr.part.0+0x68/0x230 [cec]\n     __cec_s_phys_addr+0x40/0x50 [cec]\n     cec_unregister_adapter+0xb4/0x118 [cec]\n     adv7511_remove+0x60/0x90 [adv7511]\n     i2c_device_remove+0x34/0xe0\n     device_release_driver_internal+0x114/0x1f0\n     driver_detach+0x54/0xe0\n     bus_remove_driver+0x60/0xd8\n     driver_unregister+0x34/0x60\n     i2c_del_driver+0x2c/0x68\n     adv7511_exit+0x1c/0x67c [adv7511]\n     __arm64_sys_delete_module+0x154/0x288\n     invoke_syscall+0x48/0x100\n     el0_svc_common.constprop.0+0x48/0xe8\n     do_el0_svc+0x28/0x88\n     el0_svc+0x1c/0x50\n     el0t_64_sync_handler+0xa8/0xb0\n     el0t_64_sync+0x15c/0x160\n    Code: bad PC value\n    ---[ end trace 0000000000000000 ]---\n\nProtect against this scenario by unregistering i2c_cec after\nunregistering the CEC adapter. Duly disable the CEC clock afterwards\ntoo.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "3b1b975003e4a3da4b93ab032487a3ae4afca7b5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3747465c5da7a11957a34bbb9485d9fc253b91cc"
            },
            {
              "version": "3b1b975003e4a3da4b93ab032487a3ae4afca7b5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "f369fb4deed7ab997cfa703dc85ec08b3adc1af8"
            },
            {
              "version": "3b1b975003e4a3da4b93ab032487a3ae4afca7b5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4d4d5bc659206b187263190ad9a03513f625659d"
            },
            {
              "version": "3b1b975003e4a3da4b93ab032487a3ae4afca7b5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "86ae5170786aea3e1751123ca55700fb9b37b623"
            },
            {
              "version": "3b1b975003e4a3da4b93ab032487a3ae4afca7b5",
              "status": "affected",
              "versionType": "git",
              "lessThan": "40cdb02cb9f965732eb543d47f15bef8d10f0f5f"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "4.15",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "4.15"
            },
            {
              "version": "5.10.234",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.75",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.19.17",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.19.*"
            },
            {
              "version": "6.0.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.0.*"
            },
            {
              "version": "6.1",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}