{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50236",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-06-18T10:57:27.433Z",
        "datePublished": "2025-09-15T14:01:42.983Z",
        "dateUpdated": "2026-05-11T19:15:26.705Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:15:26.705Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/mediatek: Fix crash on isr after kexec()\n\nIf the system is rebooted via isr(), the IRQ handler might\nbe triggered before the domain is initialized. Resulting on\nan invalid memory access error.\n\nFix:\n[    0.500930] Unable to handle kernel read from unreadable memory at virtual address 0000000000000070\n[    0.501166] Call trace:\n[    0.501174]  report_iommu_fault+0x28/0xfc\n[    0.501180]  mtk_iommu_isr+0x10c/0x1c0\n\n[ joro: Fixed spelling in commit message ]"
                }
            ],
            "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": "0df4fabe208d9576f2671d31e77cf46d20fdcd01",
                            "lessThan": "f13acee780cedb3e06a6dadf64d9104cccd2b9fc",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0df4fabe208d9576f2671d31e77cf46d20fdcd01",
                            "lessThan": "85cc8a187f2de7a91e2cea522e9406fa12999269",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0df4fabe208d9576f2671d31e77cf46d20fdcd01",
                            "lessThan": "00ef8885a945c37551547d8ac8361cacd20c4e42",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "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": "4.6",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.6",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.17",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.3",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "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": "4.6",
                                    "versionEndExcluding": "6.0.17"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.6",
                                    "versionEndExcluding": "6.1.3"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.6",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f13acee780cedb3e06a6dadf64d9104cccd2b9fc"
                },
                {
                    "url": "https://git.kernel.org/stable/c/85cc8a187f2de7a91e2cea522e9406fa12999269"
                },
                {
                    "url": "https://git.kernel.org/stable/c/00ef8885a945c37551547d8ac8361cacd20c4e42"
                }
            ],
            "title": "iommu/mediatek: Fix crash on isr after kexec()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}