{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49427",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:08:31.569Z",
        "datePublished": "2025-02-26T02:12:47.692Z",
        "dateUpdated": "2026-05-23T15:22:15.615Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-23T15:22:15.615Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "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": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/iommu/mtk_iommu.c"
                    ],
                    "versions": [
                        {
                            "version": "b34ea31fe013569d42b7e8681ef3f717f77c5b72",
                            "lessThan": "053465ab20dcd324a43a1811ee98e5721e6a3e65",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b34ea31fe013569d42b7e8681ef3f717f77c5b72",
                            "lessThan": "9b3bd97acb4f8954b8a43a5d63ed9050d463b4e1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b34ea31fe013569d42b7e8681ef3f717f77c5b72",
                            "lessThan": "6eaa046c696c83542c56765cdde564d9818ff1fb",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "b34ea31fe013569d42b7e8681ef3f717f77c5b72",
                            "lessThan": "98df772bdd1c4ce717a26289efea15cbbe4b64ed",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5cad9e2caa9613fdcd246bd4ebf0ffbec1cba2ca",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5.12.4",
                            "lessThan": "5.13",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/iommu/mtk_iommu.c"
                    ],
                    "versions": [
                        {
                            "version": "5.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.46",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.17.14",
                            "lessThanOrEqual": "5.17.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.3",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19",
                            "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": "5.13",
                                    "versionEndExcluding": "5.15.46"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "5.17.14"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "5.18.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.13",
                                    "versionEndExcluding": "5.19"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.12.4"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/053465ab20dcd324a43a1811ee98e5721e6a3e65"
                },
                {
                    "url": "https://git.kernel.org/stable/c/9b3bd97acb4f8954b8a43a5d63ed9050d463b4e1"
                },
                {
                    "url": "https://git.kernel.org/stable/c/6eaa046c696c83542c56765cdde564d9818ff1fb"
                },
                {
                    "url": "https://git.kernel.org/stable/c/98df772bdd1c4ce717a26289efea15cbbe4b64ed"
                }
            ],
            "title": "iommu/mediatek: Remove clk_disable in mtk_iommu_remove",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}