CVE-2022-50236 (GCVE-0-2022-50236)
Vulnerability from cvelistv5
Published
2025-09-15 14:01
Modified
2025-09-16 08:02
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Fix crash on isr after kexec() If the system is rebooted via isr(), the IRQ handler might be triggered before the domain is initialized. Resulting on an invalid memory access error. Fix: [ 0.500930] Unable to handle kernel read from unreadable memory at virtual address 0000000000000070 [ 0.501166] Call trace: [ 0.501174] report_iommu_fault+0x28/0xfc [ 0.501180] mtk_iommu_isr+0x10c/0x1c0 [ joro: Fixed spelling in commit message ]
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/00ef8885a945c37551547d8ac8361cacd20c4e42
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/85cc8a187f2de7a91e2cea522e9406fa12999269
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f13acee780cedb3e06a6dadf64d9104cccd2b9fc
Impacted products
Vendor Product Version
Linux Linux Version: 0df4fabe208d9576f2671d31e77cf46d20fdcd01
Version: 0df4fabe208d9576f2671d31e77cf46d20fdcd01
Version: 0df4fabe208d9576f2671d31e77cf46d20fdcd01
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   Linux Linux Version: 4.6
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{
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          "product": "Linux",
          "programFiles": [
            "drivers/iommu/mtk_iommu.c"
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          "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 ]"
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      "providerMetadata": {
        "dateUpdated": "2025-09-16T08:02:00.873Z",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50236",
    "datePublished": "2025-09-15T14:01:42.983Z",
    "dateReserved": "2025-06-18T10:57:27.433Z",
    "dateUpdated": "2025-09-16T08:02:00.873Z",
    "state": "PUBLISHED"
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  }
}


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