{
  "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-2022-49427",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49427",
    "idYear": 2022,
    "status": "PUBLISHED",
    "publishedAt": "2025-02-26T02:12:47.692Z",
    "updatedAt": "2026-05-23T15:22:15.615Z",
    "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": "iommu/mediatek: Remove clk_disable in mtk_iommu_remove",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/mediatek: Remove clk_disable in mtk_iommu_remove\n\nAfter the commit b34ea31fe013 (\"iommu/mediatek: Always enable the clk on\nresume\"), the iommu clock is controlled by the runtime callback.\nthus remove the clk control in the mtk_iommu_remove.\n\nOtherwise, it will warning like:\n\necho 14018000.iommu > /sys/bus/platform/drivers/mtk-iommu/unbind\n\n[   51.413044] ------------[ cut here ]------------\n[   51.413648] vpp0_smi_iommu already disabled\n[   51.414233] WARNING: CPU: 2 PID: 157 at */v5.15-rc1/kernel/mediatek/\n                          drivers/clk/clk.c:952 clk_core_disable+0xb0/0xb8\n[   51.417174] Hardware name: MT8195V/C(ENG) (DT)\n[   51.418635] pc : clk_core_disable+0xb0/0xb8\n[   51.419177] lr : clk_core_disable+0xb0/0xb8\n...\n[   51.429375] Call trace:\n[   51.429694]  clk_core_disable+0xb0/0xb8\n[   51.430193]  clk_core_disable_lock+0x24/0x40\n[   51.430745]  clk_disable+0x20/0x30\n[   51.431189]  mtk_iommu_remove+0x58/0x118\n[   51.431705]  platform_remove+0x28/0x60\n[   51.432197]  device_release_driver_internal+0x110/0x1f0\n[   51.432873]  device_driver_detach+0x18/0x28\n[   51.433418]  unbind_store+0xd4/0x108\n[   51.433886]  drv_attr_store+0x24/0x38\n[   51.434363]  sysfs_kf_write+0x40/0x58\n[   51.434843]  kernfs_fop_write_iter+0x164/0x1e0",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "b34ea31fe013569d42b7e8681ef3f717f77c5b72",
              "status": "affected",
              "versionType": "git",
              "lessThan": "053465ab20dcd324a43a1811ee98e5721e6a3e65"
            },
            {
              "version": "b34ea31fe013569d42b7e8681ef3f717f77c5b72",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9b3bd97acb4f8954b8a43a5d63ed9050d463b4e1"
            },
            {
              "version": "b34ea31fe013569d42b7e8681ef3f717f77c5b72",
              "status": "affected",
              "versionType": "git",
              "lessThan": "6eaa046c696c83542c56765cdde564d9818ff1fb"
            },
            {
              "version": "b34ea31fe013569d42b7e8681ef3f717f77c5b72",
              "status": "affected",
              "versionType": "git",
              "lessThan": "98df772bdd1c4ce717a26289efea15cbbe4b64ed"
            },
            {
              "version": "5cad9e2caa9613fdcd246bd4ebf0ffbec1cba2ca",
              "status": "affected",
              "versionType": "git"
            },
            {
              "version": "5.12.4",
              "status": "affected",
              "versionType": "semver",
              "lessThan": "5.13"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "5.13",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "5.13"
            },
            {
              "version": "5.15.46",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "5.17.14",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.17.*"
            },
            {
              "version": "5.18.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.18.*"
            },
            {
              "version": "5.19",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}